42728540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68917}}^1$

素因数の和:68957

約数の個数: 24

約数和(自身を含む): 92625792

約数和(自身を除く): 49897252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68917, 137834, 275668, 344585, 689170, 1378340, 2136427, 4272854, 8545708, 10682135, 21364270, 42728540]

約数ペア:

[(1, 42728540), (2, 21364270), (4, 10682135), (5, 8545708), (10, 4272854), (20, 2136427), (31, 1378340), (62, 689170), (124, 344585), (155, 275668), (310, 137834), (620, 68917)]