2123295280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617237}}^1$

素因数の和:617293

約数の個数: 40

約数和(自身を含む): 5051475792

約数和(自身を除く): 2928180512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 617237, 1234474, 2468948, 3086185, 4937896, 6172370, 9875792, 12344740, 24689480, 26541191, 49378960, 53082382, 106164764, 132705955, 212329528, 265411910, 424659056, 530823820, 1061647640, 2123295280]

約数ペア:

[(1, 2123295280), (2, 1061647640), (4, 530823820), (5, 424659056), (8, 265411910), (10, 212329528), (16, 132705955), (20, 106164764), (40, 53082382), (43, 49378960), (80, 26541191), (86, 24689480), (172, 12344740), (215, 9875792), (344, 6172370), (430, 4937896), (688, 3086185), (860, 2468948), (1720, 1234474), (3440, 617237)]