8581480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3517}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 19630440

約数和(自身を除く): 11048960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3517, 7034, 14068, 17585, 28136, 35170, 70340, 140680, 214537, 429074, 858148, 1072685, 1716296, 2145370, 4290740, 8581480]

約数ペア:

[(1, 8581480), (2, 4290740), (4, 2145370), (5, 1716296), (8, 1072685), (10, 858148), (20, 429074), (40, 214537), (61, 140680), (122, 70340), (244, 35170), (305, 28136), (488, 17585), (610, 14068), (1220, 7034), (2440, 3517)]