913720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 2099520

約数和(自身を除く): 1185800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 431, 530, 862, 1060, 1724, 2120, 2155, 3448, 4310, 8620, 17240, 22843, 45686, 91372, 114215, 182744, 228430, 456860, 913720]

約数ペア:

[(1, 913720), (2, 456860), (4, 228430), (5, 182744), (8, 114215), (10, 91372), (20, 45686), (40, 22843), (53, 17240), (106, 8620), (212, 4310), (265, 3448), (424, 2155), (431, 2120), (530, 1724), (862, 1060)]