40772420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156817}}^1$

素因数の和:156839

約数の個数: 24

約数和(自身を含む): 92208984

約数和(自身を除く): 51436564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156817, 313634, 627268, 784085, 1568170, 2038621, 3136340, 4077242, 8154484, 10193105, 20386210, 40772420]

約数ペア:

[(1, 40772420), (2, 20386210), (4, 10193105), (5, 8154484), (10, 4077242), (13, 3136340), (20, 2038621), (26, 1568170), (52, 784085), (65, 627268), (130, 313634), (260, 156817)]