40286840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 107136000

約数和(自身を除く): 66849160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 79, 88, 95, 110, 122, 152, 158, 190, 209, 220, 244, 305, 316, 380, 395, 418, 440, 488, 610, 632, 671, 760, 790, 836, 869, 1045, 1159, 1220, 1342, 1501, 1580, 1672, 1738, 2090, 2318, 2440, 2684, 3002, 3160, 3355, 3476, 4180, 4345, 4636, 4819, 5368, 5795, 6004, 6710, 6952, 7505, 8360, 8690, 9272, 9638, 11590, 12008, 12749, 13420, 15010, 16511, 17380, 19276, 23180, 24095, 25498, 26840, 30020, 33022, 34760, 38552, 46360, 48190, 50996, 53009, 60040, 63745, 66044, 82555, 91561, 96380, 101992, 106018, 127490, 132088, 165110, 183122, 192760, 212036, 254980, 265045, 330220, 366244, 424072, 457805, 509960, 530090, 660440, 732488, 915610, 1007171, 1060180, 1831220, 2014342, 2120360, 3662440, 4028684, 5035855, 8057368, 10071710, 20143420, 40286840]

約数ペア:

[(1, 40286840), (2, 20143420), (4, 10071710), (5, 8057368), (8, 5035855), (10, 4028684), (11, 3662440), (19, 2120360), (20, 2014342), (22, 1831220), (38, 1060180), (40, 1007171), (44, 915610), (55, 732488), (61, 660440), (76, 530090), (79, 509960), (88, 457805), (95, 424072), (110, 366244), (122, 330220), (152, 265045), (158, 254980), (190, 212036), (209, 192760), (220, 183122), (244, 165110), (305, 132088), (316, 127490), (380, 106018), (395, 101992), (418, 96380), (440, 91561), (488, 82555), (610, 66044), (632, 63745), (671, 60040), (760, 53009), (790, 50996), (836, 48190), (869, 46360), (1045, 38552), (1159, 34760), (1220, 33022), (1342, 30020), (1501, 26840), (1580, 25498), (1672, 24095), (1738, 23180), (2090, 19276), (2318, 17380), (2440, 16511), (2684, 15010), (3002, 13420), (3160, 12749), (3355, 12008), (3476, 11590), (4180, 9638), (4345, 9272), (4636, 8690), (4819, 8360), (5368, 7505), (5795, 6952), (6004, 6710)]