22505680

素因数分解:

$2^4\times 5^1\times {\mathrm{281321}}^1$

素因数の和:281334

約数の個数: 20

約数和(自身を含む): 52325892

約数和(自身を除く): 29820212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281321, 562642, 1125284, 1406605, 2250568, 2813210, 4501136, 5626420, 11252840, 22505680]

約数ペア:

[(1, 22505680), (2, 11252840), (4, 5626420), (5, 4501136), (8, 2813210), (10, 2250568), (16, 1406605), (20, 1125284), (40, 562642), (80, 281321)]