40329680

素因数分解:

$2^4\times 5^1\times {\mathrm{504121}}^1$

素因数の和:504134

約数の個数: 20

約数和(自身を含む): 93766692

約数和(自身を除く): 53437012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504121, 1008242, 2016484, 2520605, 4032968, 5041210, 8065936, 10082420, 20164840, 40329680]

約数ペア:

[(1, 40329680), (2, 20164840), (4, 10082420), (5, 8065936), (8, 5041210), (10, 4032968), (16, 2520605), (20, 2016484), (40, 1008242), (80, 504121)]