61858640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24943}}^1$

素因数の和:24987

約数の個数: 40

約数和(自身を含む): 148466688

約数和(自身を除く): 86608048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 24943, 49886, 99772, 124715, 199544, 249430, 399088, 498860, 773233, 997720, 1546466, 1995440, 3092932, 3866165, 6185864, 7732330, 12371728, 15464660, 30929320, 61858640]

約数ペア:

[(1, 61858640), (2, 30929320), (4, 15464660), (5, 12371728), (8, 7732330), (10, 6185864), (16, 3866165), (20, 3092932), (31, 1995440), (40, 1546466), (62, 997720), (80, 773233), (124, 498860), (155, 399088), (248, 249430), (310, 199544), (496, 124715), (620, 99772), (1240, 49886), (2480, 24943)]