31409240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{13309}}^1$

素因数の和:13379

約数の個数: 32

約数和(自身を含む): 71874000

約数和(自身を除く): 40464760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 13309, 26618, 53236, 66545, 106472, 133090, 266180, 532360, 785231, 1570462, 3140924, 3926155, 6281848, 7852310, 15704620, 31409240]

約数ペア:

[(1, 31409240), (2, 15704620), (4, 7852310), (5, 6281848), (8, 3926155), (10, 3140924), (20, 1570462), (40, 785231), (59, 532360), (118, 266180), (236, 133090), (295, 106472), (472, 66545), (590, 53236), (1180, 26618), (2360, 13309)]