31313440

素因数分解:

$2^5\times 5^1\times {\mathrm{195709}}^1$

素因数の和:195724

約数の個数: 24

約数和(自身を含む): 73978380

約数和(自身を除く): 42664940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195709, 391418, 782836, 978545, 1565672, 1957090, 3131344, 3914180, 6262688, 7828360, 15656720, 31313440]

約数ペア:

[(1, 31313440), (2, 15656720), (4, 7828360), (5, 6262688), (8, 3914180), (10, 3131344), (16, 1957090), (20, 1565672), (32, 978545), (40, 782836), (80, 391418), (160, 195709)]