16928120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 42163200

約数和(自身を除く): 25235080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 487, 632, 790, 869, 974, 1580, 1738, 1948, 2435, 3160, 3476, 3896, 4345, 4870, 5357, 6952, 8690, 9740, 10714, 17380, 19480, 21428, 26785, 34760, 38473, 42856, 53570, 76946, 107140, 153892, 192365, 214280, 307784, 384730, 423203, 769460, 846406, 1538920, 1692812, 2116015, 3385624, 4232030, 8464060, 16928120]

約数ペア:

[(1, 16928120), (2, 8464060), (4, 4232030), (5, 3385624), (8, 2116015), (10, 1692812), (11, 1538920), (20, 846406), (22, 769460), (40, 423203), (44, 384730), (55, 307784), (79, 214280), (88, 192365), (110, 153892), (158, 107140), (220, 76946), (316, 53570), (395, 42856), (440, 38473), (487, 34760), (632, 26785), (790, 21428), (869, 19480), (974, 17380), (1580, 10714), (1738, 9740), (1948, 8690), (2435, 6952), (3160, 5357), (3476, 4870), (3896, 4345)]