172920680

素因数分解:

$2^3\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{2963}}^1$

素因数の和:4433

約数の個数: 32

約数和(自身を含む): 389469600

約数和(自身を除く): 216548920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1459, 2918, 2963, 5836, 5926, 7295, 11672, 11852, 14590, 14815, 23704, 29180, 29630, 58360, 59260, 118520, 4323017, 8646034, 17292068, 21615085, 34584136, 43230170, 86460340, 172920680]

約数ペア:

[(1, 172920680), (2, 86460340), (4, 43230170), (5, 34584136), (8, 21615085), (10, 17292068), (20, 8646034), (40, 4323017), (1459, 118520), (2918, 59260), (2963, 58360), (5836, 29630), (5926, 29180), (7295, 23704), (11672, 14815), (11852, 14590)]