919640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 2101680

約数和(自身を除く): 1182040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 277, 332, 415, 554, 664, 830, 1108, 1385, 1660, 2216, 2770, 3320, 5540, 11080, 22991, 45982, 91964, 114955, 183928, 229910, 459820, 919640]

約数ペア:

[(1, 919640), (2, 459820), (4, 229910), (5, 183928), (8, 114955), (10, 91964), (20, 45982), (40, 22991), (83, 11080), (166, 5540), (277, 3320), (332, 2770), (415, 2216), (554, 1660), (664, 1385), (830, 1108)]