39765680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7085

約数の個数: 40

約数和(自身を含む): 93770784

約数和(自身を除く): 54005104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7001, 14002, 28004, 35005, 56008, 70010, 112016, 140020, 280040, 497071, 560080, 994142, 1988284, 2485355, 3976568, 4970710, 7953136, 9941420, 19882840, 39765680]

約数ペア:

[(1, 39765680), (2, 19882840), (4, 9941420), (5, 7953136), (8, 4970710), (10, 3976568), (16, 2485355), (20, 1988284), (40, 994142), (71, 560080), (80, 497071), (142, 280040), (284, 140020), (355, 112016), (568, 70010), (710, 56008), (1136, 35005), (1420, 28004), (2840, 14002), (5680, 7001)]