123927080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{17117}}^1$

素因数の和:17309

約数の個数: 32

約数和(自身を含む): 280392840

約数和(自身を除く): 156465760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 17117, 34234, 68468, 85585, 136936, 171170, 342340, 684680, 3098177, 6196354, 12392708, 15490885, 24785416, 30981770, 61963540, 123927080]

約数ペア:

[(1, 123927080), (2, 61963540), (4, 30981770), (5, 24785416), (8, 15490885), (10, 12392708), (20, 6196354), (40, 3098177), (181, 684680), (362, 342340), (724, 171170), (905, 136936), (1448, 85585), (1810, 68468), (3620, 34234), (7240, 17117)]