91385680

素因数分解:

$2^4\times 5^1\times {\mathrm{1142321}}^1$

素因数の和:1142334

約数の個数: 20

約数和(自身を含む): 212471892

約数和(自身を除く): 121086212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1142321, 2284642, 4569284, 5711605, 9138568, 11423210, 18277136, 22846420, 45692840, 91385680]

約数ペア:

[(1, 91385680), (2, 45692840), (4, 22846420), (5, 18277136), (8, 11423210), (10, 9138568), (16, 5711605), (20, 4569284), (40, 2284642), (80, 1142321)]