3987440

素因数分解:

$2^4\times 5^1\times {\mathrm{49843}}^1$

素因数の和:49856

約数の個数: 20

約数和(自身を含む): 9270984

約数和(自身を除く): 5283544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49843, 99686, 199372, 249215, 398744, 498430, 797488, 996860, 1993720, 3987440]

約数ペア:

[(1, 3987440), (2, 1993720), (4, 996860), (5, 797488), (8, 498430), (10, 398744), (16, 249215), (20, 199372), (40, 99686), (80, 49843)]