11420240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 29164800

約数和(自身を除く): 17744560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 139, 158, 208, 260, 278, 316, 395, 520, 556, 632, 695, 790, 1027, 1040, 1112, 1264, 1390, 1580, 1807, 2054, 2224, 2780, 3160, 3614, 4108, 5135, 5560, 6320, 7228, 8216, 9035, 10270, 10981, 11120, 14456, 16432, 18070, 20540, 21962, 28912, 36140, 41080, 43924, 54905, 72280, 82160, 87848, 109810, 142753, 144560, 175696, 219620, 285506, 439240, 571012, 713765, 878480, 1142024, 1427530, 2284048, 2855060, 5710120, 11420240]

約数ペア:

[(1, 11420240), (2, 5710120), (4, 2855060), (5, 2284048), (8, 1427530), (10, 1142024), (13, 878480), (16, 713765), (20, 571012), (26, 439240), (40, 285506), (52, 219620), (65, 175696), (79, 144560), (80, 142753), (104, 109810), (130, 87848), (139, 82160), (158, 72280), (208, 54905), (260, 43924), (278, 41080), (316, 36140), (395, 28912), (520, 21962), (556, 20540), (632, 18070), (695, 16432), (790, 14456), (1027, 11120), (1040, 10981), (1112, 10270), (1264, 9035), (1390, 8216), (1580, 7228), (1807, 6320), (2054, 5560), (2224, 5135), (2780, 4108), (3160, 3614)]