79815760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14891}}^1$

素因数の和:14971

約数の個数: 40

約数和(自身を含む): 188354016

約数和(自身を除く): 108538256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14891, 29782, 59564, 74455, 119128, 148910, 238256, 297820, 595640, 997697, 1191280, 1995394, 3990788, 4988485, 7981576, 9976970, 15963152, 19953940, 39907880, 79815760]

約数ペア:

[(1, 79815760), (2, 39907880), (4, 19953940), (5, 15963152), (8, 9976970), (10, 7981576), (16, 4988485), (20, 3990788), (40, 1995394), (67, 1191280), (80, 997697), (134, 595640), (268, 297820), (335, 238256), (536, 148910), (670, 119128), (1072, 74455), (1340, 59564), (2680, 29782), (5360, 14891)]