1985240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 4613760

約数和(自身を除く): 2628520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1601, 3202, 6404, 8005, 12808, 16010, 32020, 49631, 64040, 99262, 198524, 248155, 397048, 496310, 992620, 1985240]

約数ペア:

[(1, 1985240), (2, 992620), (4, 496310), (5, 397048), (8, 248155), (10, 198524), (20, 99262), (31, 64040), (40, 49631), (62, 32020), (124, 16010), (155, 12808), (248, 8005), (310, 6404), (620, 3202), (1240, 1601)]