408037580

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{13171}}^1$

素因数の和:14729

約数の個数: 24

約数和(自身を含む): 857497200

約数和(自身を除く): 449459620

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 13171, 15490, 26342, 30980, 52684, 65855, 131710, 263420, 20401879, 40803758, 81607516, 102009395, 204018790, 408037580]

約数ペア:

[(1, 408037580), (2, 204018790), (4, 102009395), (5, 81607516), (10, 40803758), (20, 20401879), (1549, 263420), (3098, 131710), (6196, 65855), (7745, 52684), (13171, 30980), (15490, 26342)]