90115030

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{22699}}^1$

素因数の和:23103

約数の個数: 16

約数和(自身を含む): 162622800

約数和(自身を除く): 72507770

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 22699, 45398, 113495, 226990, 9011503, 18023006, 45057515, 90115030]

約数ペア:

[(1, 90115030), (2, 45057515), (5, 18023006), (10, 9011503), (397, 226990), (794, 113495), (1985, 45398), (3970, 22699)]