28660520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102359}}^1$

素因数の和:102377

約数の個数: 32

約数和(自身を含む): 73699200

約数和(自身を除く): 45038680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102359, 204718, 409436, 511795, 716513, 818872, 1023590, 1433026, 2047180, 2866052, 3582565, 4094360, 5732104, 7165130, 14330260, 28660520]

約数ペア:

[(1, 28660520), (2, 14330260), (4, 7165130), (5, 5732104), (7, 4094360), (8, 3582565), (10, 2866052), (14, 2047180), (20, 1433026), (28, 1023590), (35, 818872), (40, 716513), (56, 511795), (70, 409436), (140, 204718), (280, 102359)]