90643780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{85513}}^1$

素因数の和:85575

約数の個数: 24

約数和(自身を含む): 193945752

約数和(自身を除く): 103301972

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 85513, 171026, 342052, 427565, 855130, 1710260, 4532189, 9064378, 18128756, 22660945, 45321890, 90643780]

約数ペア:

[(1, 90643780), (2, 45321890), (4, 22660945), (5, 18128756), (10, 9064378), (20, 4532189), (53, 1710260), (106, 855130), (212, 427565), (265, 342052), (530, 171026), (1060, 85513)]