215721080

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{5659}}^1$

素因数の和:6623

約数の個数: 32

約数和(自身を含む): 485967600

約数和(自身を除く): 270246520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 3812, 4765, 5659, 7624, 9530, 11318, 19060, 22636, 28295, 38120, 45272, 56590, 113180, 226360, 5393027, 10786054, 21572108, 26965135, 43144216, 53930270, 107860540, 215721080]

約数ペア:

[(1, 215721080), (2, 107860540), (4, 53930270), (5, 43144216), (8, 26965135), (10, 21572108), (20, 10786054), (40, 5393027), (953, 226360), (1906, 113180), (3812, 56590), (4765, 45272), (5659, 38120), (7624, 28295), (9530, 22636), (11318, 19060)]