91835120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 231547680

約数和(自身を除く): 139712560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 389, 454, 520, 778, 908, 1040, 1135, 1556, 1816, 1945, 2270, 2951, 3112, 3632, 3890, 4540, 5057, 5902, 6224, 7780, 9080, 10114, 11804, 14755, 15560, 18160, 20228, 23608, 25285, 29510, 31120, 40456, 47216, 50570, 59020, 80912, 88303, 101140, 118040, 176606, 202280, 236080, 353212, 404560, 441515, 706424, 883030, 1147939, 1412848, 1766060, 2295878, 3532120, 4591756, 5739695, 7064240, 9183512, 11479390, 18367024, 22958780, 45917560, 91835120]

約数ペア:

[(1, 91835120), (2, 45917560), (4, 22958780), (5, 18367024), (8, 11479390), (10, 9183512), (13, 7064240), (16, 5739695), (20, 4591756), (26, 3532120), (40, 2295878), (52, 1766060), (65, 1412848), (80, 1147939), (104, 883030), (130, 706424), (208, 441515), (227, 404560), (260, 353212), (389, 236080), (454, 202280), (520, 176606), (778, 118040), (908, 101140), (1040, 88303), (1135, 80912), (1556, 59020), (1816, 50570), (1945, 47216), (2270, 40456), (2951, 31120), (3112, 29510), (3632, 25285), (3890, 23608), (4540, 20228), (5057, 18160), (5902, 15560), (6224, 14755), (7780, 11804), (9080, 10114)]