4581640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{16363}}^1$

素因数の和:16381

約数の個数: 32

約数和(自身を含む): 11782080

約数和(自身を除く): 7200440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 16363, 32726, 65452, 81815, 114541, 130904, 163630, 229082, 327260, 458164, 572705, 654520, 916328, 1145410, 2290820, 4581640]

約数ペア:

[(1, 4581640), (2, 2290820), (4, 1145410), (5, 916328), (7, 654520), (8, 572705), (10, 458164), (14, 327260), (20, 229082), (28, 163630), (35, 130904), (40, 114541), (56, 81815), (70, 65452), (140, 32726), (280, 16363)]