71504360

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10333}}^1$

素因数の和:10517

約数の個数: 32

約数和(自身を含む): 161830440

約数和(自身を除く): 90326080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 10333, 20666, 41332, 51665, 82664, 103330, 206660, 413320, 1787609, 3575218, 7150436, 8938045, 14300872, 17876090, 35752180, 71504360]

約数ペア:

[(1, 71504360), (2, 35752180), (4, 17876090), (5, 14300872), (8, 8938045), (10, 7150436), (20, 3575218), (40, 1787609), (173, 413320), (346, 206660), (692, 103330), (865, 82664), (1384, 51665), (1730, 41332), (3460, 20666), (6920, 10333)]