155087180

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{12289}}^1$

素因数の和:12929

約数の個数: 24

約数和(自身を含む): 326225760

約数和(自身を除く): 171138580

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12289, 12620, 24578, 49156, 61445, 122890, 245780, 7754359, 15508718, 31017436, 38771795, 77543590, 155087180]

約数ペア:

[(1, 155087180), (2, 77543590), (4, 38771795), (5, 31017436), (10, 15508718), (20, 7754359), (631, 245780), (1262, 122890), (2524, 61445), (3155, 49156), (6310, 24578), (12289, 12620)]