29904920

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2699}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 67554000

約数和(自身を除く): 37649080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2699, 2770, 5398, 5540, 10796, 11080, 13495, 21592, 26990, 53980, 107960, 747623, 1495246, 2990492, 3738115, 5980984, 7476230, 14952460, 29904920]

約数ペア:

[(1, 29904920), (2, 14952460), (4, 7476230), (5, 5980984), (8, 3738115), (10, 2990492), (20, 1495246), (40, 747623), (277, 107960), (554, 53980), (1108, 26990), (1385, 21592), (2216, 13495), (2699, 11080), (2770, 10796), (5398, 5540)]