31225160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 72705600

約数和(自身を除く): 41480440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 101, 118, 131, 202, 236, 262, 295, 404, 472, 505, 524, 590, 655, 808, 1010, 1048, 1180, 1310, 2020, 2360, 2620, 4040, 5240, 5959, 7729, 11918, 13231, 15458, 23836, 26462, 29795, 30916, 38645, 47672, 52924, 59590, 61832, 66155, 77290, 105848, 119180, 132310, 154580, 238360, 264620, 309160, 529240, 780629, 1561258, 3122516, 3903145, 6245032, 7806290, 15612580, 31225160]

約数ペア:

[(1, 31225160), (2, 15612580), (4, 7806290), (5, 6245032), (8, 3903145), (10, 3122516), (20, 1561258), (40, 780629), (59, 529240), (101, 309160), (118, 264620), (131, 238360), (202, 154580), (236, 132310), (262, 119180), (295, 105848), (404, 77290), (472, 66155), (505, 61832), (524, 59590), (590, 52924), (655, 47672), (808, 38645), (1010, 30916), (1048, 29795), (1180, 26462), (1310, 23836), (2020, 15458), (2360, 13231), (2620, 11918), (4040, 7729), (5240, 5959)]