4129786520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3330473}}^1$

素因数の和:3330515

約数の個数: 32

約数和(自身を含む): 9591765120

約数和(自身を除く): 5461978600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3330473, 6660946, 13321892, 16652365, 26643784, 33304730, 66609460, 103244663, 133218920, 206489326, 412978652, 516223315, 825957304, 1032446630, 2064893260, 4129786520]

約数ペア:

[(1, 4129786520), (2, 2064893260), (4, 1032446630), (5, 825957304), (8, 516223315), (10, 412978652), (20, 206489326), (31, 133218920), (40, 103244663), (62, 66609460), (124, 33304730), (155, 26643784), (248, 16652365), (310, 13321892), (620, 6660946), (1240, 3330473)]