78973960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5237}}^1$

素因数の和:5290

約数の個数: 64

約数和(自身を含む): 197996400

約数和(自身を除く): 119022440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 5237, 7540, 10474, 15080, 20948, 26185, 41896, 52370, 68081, 104740, 136162, 151873, 209480, 272324, 303746, 340405, 544648, 607492, 680810, 759365, 1214984, 1361620, 1518730, 1974349, 2723240, 3037460, 3948698, 6074920, 7897396, 9871745, 15794792, 19743490, 39486980, 78973960]

約数ペア:

[(1, 78973960), (2, 39486980), (4, 19743490), (5, 15794792), (8, 9871745), (10, 7897396), (13, 6074920), (20, 3948698), (26, 3037460), (29, 2723240), (40, 1974349), (52, 1518730), (58, 1361620), (65, 1214984), (104, 759365), (116, 680810), (130, 607492), (145, 544648), (232, 340405), (260, 303746), (290, 272324), (377, 209480), (520, 151873), (580, 136162), (754, 104740), (1160, 68081), (1508, 52370), (1885, 41896), (3016, 26185), (3770, 20948), (5237, 15080), (7540, 10474)]