66756020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107671}}^1$

素因数の和:107711

約数の個数: 24

約数和(自身を含む): 144711168

約数和(自身を除く): 77955148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 107671, 215342, 430684, 538355, 1076710, 2153420, 3337801, 6675602, 13351204, 16689005, 33378010, 66756020]

約数ペア:

[(1, 66756020), (2, 33378010), (4, 16689005), (5, 13351204), (10, 6675602), (20, 3337801), (31, 2153420), (62, 1076710), (124, 538355), (155, 430684), (310, 215342), (620, 107671)]