72135880

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2971}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 162627840

約数和(自身を除く): 90491960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2971, 3035, 4856, 5942, 6070, 11884, 12140, 14855, 23768, 24280, 29710, 59420, 118840, 1803397, 3606794, 7213588, 9016985, 14427176, 18033970, 36067940, 72135880]

約数ペア:

[(1, 72135880), (2, 36067940), (4, 18033970), (5, 14427176), (8, 9016985), (10, 7213588), (20, 3606794), (40, 1803397), (607, 118840), (1214, 59420), (2428, 29710), (2971, 24280), (3035, 23768), (4856, 14855), (5942, 12140), (6070, 11884)]