8571760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 20132640

約数和(自身を除く): 11560880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 983, 1090, 1744, 1966, 2180, 3932, 4360, 4915, 7864, 8720, 9830, 15728, 19660, 39320, 78640, 107147, 214294, 428588, 535735, 857176, 1071470, 1714352, 2142940, 4285880, 8571760]

約数ペア:

[(1, 8571760), (2, 4285880), (4, 2142940), (5, 1714352), (8, 1071470), (10, 857176), (16, 535735), (20, 428588), (40, 214294), (80, 107147), (109, 78640), (218, 39320), (436, 19660), (545, 15728), (872, 9830), (983, 8720), (1090, 7864), (1744, 4915), (1966, 4360), (2180, 3932)]