2662640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 40

約数和(自身を含む): 6280848

約数和(自身を除く): 3618208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 401, 415, 664, 802, 830, 1328, 1604, 1660, 2005, 3208, 3320, 4010, 6416, 6640, 8020, 16040, 32080, 33283, 66566, 133132, 166415, 266264, 332830, 532528, 665660, 1331320, 2662640]

約数ペア:

[(1, 2662640), (2, 1331320), (4, 665660), (5, 532528), (8, 332830), (10, 266264), (16, 166415), (20, 133132), (40, 66566), (80, 33283), (83, 32080), (166, 16040), (332, 8020), (401, 6640), (415, 6416), (664, 4010), (802, 3320), (830, 3208), (1328, 2005), (1604, 1660)]