87474920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 213570000

約数和(自身を除く): 126095080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1129, 1192, 1490, 1937, 2258, 2980, 3874, 4516, 5645, 5960, 7748, 9032, 9685, 11290, 14677, 15496, 19370, 22580, 29354, 38740, 45160, 58708, 73385, 77480, 117416, 146770, 168221, 293540, 336442, 587080, 672884, 841105, 1345768, 1682210, 2186873, 3364420, 4373746, 6728840, 8747492, 10934365, 17494984, 21868730, 43737460, 87474920]

約数ペア:

[(1, 87474920), (2, 43737460), (4, 21868730), (5, 17494984), (8, 10934365), (10, 8747492), (13, 6728840), (20, 4373746), (26, 3364420), (40, 2186873), (52, 1682210), (65, 1345768), (104, 841105), (130, 672884), (149, 587080), (260, 336442), (298, 293540), (520, 168221), (596, 146770), (745, 117416), (1129, 77480), (1192, 73385), (1490, 58708), (1937, 45160), (2258, 38740), (2980, 29354), (3874, 22580), (4516, 19370), (5645, 15496), (5960, 14677), (7748, 11290), (9032, 9685)]