8581940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 19559232

約数和(自身を除く): 10977292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 587, 731, 860, 1174, 1462, 2348, 2924, 2935, 3655, 5870, 7310, 9979, 11740, 14620, 19958, 25241, 39916, 49895, 50482, 99790, 100964, 126205, 199580, 252410, 429097, 504820, 858194, 1716388, 2145485, 4290970, 8581940]

約数ペア:

[(1, 8581940), (2, 4290970), (4, 2145485), (5, 1716388), (10, 858194), (17, 504820), (20, 429097), (34, 252410), (43, 199580), (68, 126205), (85, 100964), (86, 99790), (170, 50482), (172, 49895), (215, 39916), (340, 25241), (430, 19958), (587, 14620), (731, 11740), (860, 9979), (1174, 7310), (1462, 5870), (2348, 3655), (2924, 2935)]