2641820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 5728128

約数和(自身を除く): 3086308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4261, 8522, 17044, 21305, 42610, 85220, 132091, 264182, 528364, 660455, 1320910, 2641820]

約数ペア:

[(1, 2641820), (2, 1320910), (4, 660455), (5, 528364), (10, 264182), (20, 132091), (31, 85220), (62, 42610), (124, 21305), (155, 17044), (310, 8522), (620, 4261)]