84631240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 198443520

約数和(自身を除く): 113812280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 521, 524, 620, 655, 1042, 1048, 1240, 1310, 2084, 2605, 2620, 4061, 4168, 5210, 5240, 8122, 10420, 16151, 16244, 20305, 20840, 32302, 32488, 40610, 64604, 68251, 80755, 81220, 129208, 136502, 161510, 162440, 273004, 323020, 341255, 546008, 646040, 682510, 1365020, 2115781, 2730040, 4231562, 8463124, 10578905, 16926248, 21157810, 42315620, 84631240]

約数ペア:

[(1, 84631240), (2, 42315620), (4, 21157810), (5, 16926248), (8, 10578905), (10, 8463124), (20, 4231562), (31, 2730040), (40, 2115781), (62, 1365020), (124, 682510), (131, 646040), (155, 546008), (248, 341255), (262, 323020), (310, 273004), (521, 162440), (524, 161510), (620, 136502), (655, 129208), (1042, 81220), (1048, 80755), (1240, 68251), (1310, 64604), (2084, 40610), (2605, 32488), (2620, 32302), (4061, 20840), (4168, 20305), (5210, 16244), (5240, 16151), (8122, 10420)]