51371840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 134800848

約数和(自身を除く): 83429008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 160, 208, 212, 233, 260, 265, 320, 416, 424, 466, 520, 530, 689, 832, 848, 932, 1040, 1060, 1165, 1378, 1696, 1864, 2080, 2120, 2330, 2756, 3029, 3392, 3445, 3728, 4160, 4240, 4660, 5512, 6058, 6890, 7456, 8480, 9320, 11024, 12116, 12349, 13780, 14912, 15145, 16960, 18640, 22048, 24232, 24698, 27560, 30290, 37280, 44096, 48464, 49396, 55120, 60580, 61745, 74560, 96928, 98792, 110240, 121160, 123490, 160537, 193856, 197584, 220480, 242320, 246980, 321074, 395168, 484640, 493960, 642148, 790336, 802685, 969280, 987920, 1284296, 1605370, 1975840, 2568592, 3210740, 3951680, 5137184, 6421480, 10274368, 12842960, 25685920, 51371840]

約数ペア:

[(1, 51371840), (2, 25685920), (4, 12842960), (5, 10274368), (8, 6421480), (10, 5137184), (13, 3951680), (16, 3210740), (20, 2568592), (26, 1975840), (32, 1605370), (40, 1284296), (52, 987920), (53, 969280), (64, 802685), (65, 790336), (80, 642148), (104, 493960), (106, 484640), (130, 395168), (160, 321074), (208, 246980), (212, 242320), (233, 220480), (260, 197584), (265, 193856), (320, 160537), (416, 123490), (424, 121160), (466, 110240), (520, 98792), (530, 96928), (689, 74560), (832, 61745), (848, 60580), (932, 55120), (1040, 49396), (1060, 48464), (1165, 44096), (1378, 37280), (1696, 30290), (1864, 27560), (2080, 24698), (2120, 24232), (2330, 22048), (2756, 18640), (3029, 16960), (3392, 15145), (3445, 14912), (3728, 13780), (4160, 12349), (4240, 12116), (4660, 11024), (5512, 9320), (6058, 8480), (6890, 7456)]