87951640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{314113}}^1$

素因数の和:314131

約数の個数: 32

約数和(自身を含む): 226162080

約数和(自身を除く): 138210440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 314113, 628226, 1256452, 1570565, 2198791, 2512904, 3141130, 4397582, 6282260, 8795164, 10993955, 12564520, 17590328, 21987910, 43975820, 87951640]

約数ペア:

[(1, 87951640), (2, 43975820), (4, 21987910), (5, 17590328), (7, 12564520), (8, 10993955), (10, 8795164), (14, 6282260), (20, 4397582), (28, 3141130), (35, 2512904), (40, 2198791), (56, 1570565), (70, 1256452), (140, 628226), (280, 314113)]