20186013640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1\times {\mathrm{1009}}^1$

素因数の和:1599

約数の個数: 128

約数和(自身を含む): 49682304000

約数和(自身を除く): 29496290360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 487, 520, 632, 790, 974, 1009, 1027, 1580, 1948, 2018, 2054, 2435, 3160, 3896, 4036, 4108, 4870, 5045, 5135, 6331, 8072, 8216, 9740, 10090, 10270, 12662, 13117, 19480, 20180, 20540, 25324, 26234, 31655, 38473, 40360, 41080, 50648, 52468, 63310, 65585, 76946, 79711, 104936, 126620, 131170, 153892, 159422, 192365, 253240, 262340, 307784, 318844, 384730, 398555, 491383, 500149, 524680, 637688, 769460, 797110, 982766, 1000298, 1036243, 1538920, 1594220, 1965532, 2000596, 2072486, 2456915, 2500745, 3188440, 3931064, 4001192, 4144972, 4913830, 5001490, 5181215, 6387979, 8289944, 9827660, 10002980, 10362430, 12775958, 19655320, 20005960, 20724860, 25551916, 31939895, 38819257, 41449720, 51103832, 63879790, 77638514, 127759580, 155277028, 194096285, 255519160, 310554056, 388192570, 504650341, 776385140, 1009300682, 1552770280, 2018601364, 2523251705, 4037202728, 5046503410, 10093006820, 20186013640]

約数ペア:

[(1, 20186013640), (2, 10093006820), (4, 5046503410), (5, 4037202728), (8, 2523251705), (10, 2018601364), (13, 1552770280), (20, 1009300682), (26, 776385140), (40, 504650341), (52, 388192570), (65, 310554056), (79, 255519160), (104, 194096285), (130, 155277028), (158, 127759580), (260, 77638514), (316, 63879790), (395, 51103832), (487, 41449720), (520, 38819257), (632, 31939895), (790, 25551916), (974, 20724860), (1009, 20005960), (1027, 19655320), (1580, 12775958), (1948, 10362430), (2018, 10002980), (2054, 9827660), (2435, 8289944), (3160, 6387979), (3896, 5181215), (4036, 5001490), (4108, 4913830), (4870, 4144972), (5045, 4001192), (5135, 3931064), (6331, 3188440), (8072, 2500745), (8216, 2456915), (9740, 2072486), (10090, 2000596), (10270, 1965532), (12662, 1594220), (13117, 1538920), (19480, 1036243), (20180, 1000298), (20540, 982766), (25324, 797110), (26234, 769460), (31655, 637688), (38473, 524680), (40360, 500149), (41080, 491383), (50648, 398555), (52468, 384730), (63310, 318844), (65585, 307784), (76946, 262340), (79711, 253240), (104936, 192365), (126620, 159422), (131170, 153892)]