992620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 2153088

約数和(自身を除く): 1160468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1601, 3202, 6404, 8005, 16010, 32020, 49631, 99262, 198524, 248155, 496310, 992620]

約数ペア:

[(1, 992620), (2, 496310), (4, 248155), (5, 198524), (10, 99262), (20, 49631), (31, 32020), (62, 16010), (124, 8005), (155, 6404), (310, 3202), (620, 1601)]