8453720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19213}}^1$

素因数の和:19235

約数の個数: 32

約数和(自身を含む): 20751120

約数和(自身を除く): 12297400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19213, 38426, 76852, 96065, 153704, 192130, 211343, 384260, 422686, 768520, 845372, 1056715, 1690744, 2113430, 4226860, 8453720]

約数ペア:

[(1, 8453720), (2, 4226860), (4, 2113430), (5, 1690744), (8, 1056715), (10, 845372), (11, 768520), (20, 422686), (22, 384260), (40, 211343), (44, 192130), (55, 153704), (88, 96065), (110, 76852), (220, 38426), (440, 19213)]