29909980

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3767}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 62985888

約数和(自身を除く): 33075908

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3767, 3970, 7534, 7940, 15068, 18835, 37670, 75340, 1495499, 2990998, 5981996, 7477495, 14954990, 29909980]

約数ペア:

[(1, 29909980), (2, 14954990), (4, 7477495), (5, 5981996), (10, 2990998), (20, 1495499), (397, 75340), (794, 37670), (1588, 18835), (1985, 15068), (3767, 7940), (3970, 7534)]