823640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 1890000

約数和(自身を除く): 1066360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 349, 472, 590, 698, 1180, 1396, 1745, 2360, 2792, 3490, 6980, 13960, 20591, 41182, 82364, 102955, 164728, 205910, 411820, 823640]

約数ペア:

[(1, 823640), (2, 411820), (4, 205910), (5, 164728), (8, 102955), (10, 82364), (20, 41182), (40, 20591), (59, 13960), (118, 6980), (236, 3490), (295, 2792), (349, 2360), (472, 1745), (590, 1396), (698, 1180)]