1551117580

素因数分解:

$2^2\times 5^1\times {\mathrm{6311}}^1\times {\mathrm{12289}}^1$

素因数の和:18609

約数の個数: 24

約数和(自身を含む): 3258128160

約数和(自身を除く): 1707010580

約数列:

[1, 2, 4, 5, 10, 20, 6311, 12289, 12622, 24578, 25244, 31555, 49156, 61445, 63110, 122890, 126220, 245780, 77555879, 155111758, 310223516, 387779395, 775558790, 1551117580]

約数ペア:

[(1, 1551117580), (2, 775558790), (4, 387779395), (5, 310223516), (10, 155111758), (20, 77555879), (6311, 245780), (12289, 126220), (12622, 122890), (24578, 63110), (25244, 61445), (31555, 49156)]