40605160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2557}}^1$

素因数の和:2965

約数の個数: 32

約数和(自身を含む): 91627560

約数和(自身を除く): 51022400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 2557, 3176, 3970, 5114, 7940, 10228, 12785, 15880, 20456, 25570, 51140, 102280, 1015129, 2030258, 4060516, 5075645, 8121032, 10151290, 20302580, 40605160]

約数ペア:

[(1, 40605160), (2, 20302580), (4, 10151290), (5, 8121032), (8, 5075645), (10, 4060516), (20, 2030258), (40, 1015129), (397, 102280), (794, 51140), (1588, 25570), (1985, 20456), (2557, 15880), (3176, 12785), (3970, 10228), (5114, 7940)]