90721210

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{23687}}^1$

素因数の和:24077

約数の個数: 16

約数和(自身を含む): 163731456

約数和(自身を除く): 73010246

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 23687, 47374, 118435, 236870, 9072121, 18144242, 45360605, 90721210]

約数ペア:

[(1, 90721210), (2, 45360605), (5, 18144242), (10, 9072121), (383, 236870), (766, 118435), (1915, 47374), (3830, 23687)]