1870640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 4426800

約数和(自身を除く): 2556160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 349, 536, 670, 698, 1072, 1340, 1396, 1745, 2680, 2792, 3490, 5360, 5584, 6980, 13960, 23383, 27920, 46766, 93532, 116915, 187064, 233830, 374128, 467660, 935320, 1870640]

約数ペア:

[(1, 1870640), (2, 935320), (4, 467660), (5, 374128), (8, 233830), (10, 187064), (16, 116915), (20, 93532), (40, 46766), (67, 27920), (80, 23383), (134, 13960), (268, 6980), (335, 5584), (349, 5360), (536, 3490), (670, 2792), (698, 2680), (1072, 1745), (1340, 1396)]