9941420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 21174048

約数和(自身を除く): 11232628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 7001, 14002, 28004, 35005, 70010, 140020, 497071, 994142, 1988284, 2485355, 4970710, 9941420]

約数ペア:

[(1, 9941420), (2, 4970710), (4, 2485355), (5, 1988284), (10, 994142), (20, 497071), (71, 140020), (142, 70010), (284, 35005), (355, 28004), (710, 14002), (1420, 7001)]