157105885880

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3963317}}^1$

素因数の和:3964319

約数の個数: 32

約数和(自身を含む): 353845031040

約数和(自身を除く): 196739145160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 3963317, 7926634, 15853268, 19816585, 31706536, 39633170, 79266340, 158532680, 3927647147, 7855294294, 15710588588, 19638235735, 31421177176, 39276471470, 78552942940, 157105885880]

約数ペア:

[(1, 157105885880), (2, 78552942940), (4, 39276471470), (5, 31421177176), (8, 19638235735), (10, 15710588588), (20, 7855294294), (40, 3927647147), (991, 158532680), (1982, 79266340), (3964, 39633170), (4955, 31706536), (7928, 19816585), (9910, 15853268), (19820, 7926634), (39640, 3963317)]