157393640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30983}}^1$

素因数の和:31121

約数の個数: 32

約数和(自身を含む): 356935680

約数和(自身を除く): 199542040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30983, 61966, 123932, 154915, 247864, 309830, 619660, 1239320, 3934841, 7869682, 15739364, 19674205, 31478728, 39348410, 78696820, 157393640]

約数ペア:

[(1, 157393640), (2, 78696820), (4, 39348410), (5, 31478728), (8, 19674205), (10, 15739364), (20, 7869682), (40, 3934841), (127, 1239320), (254, 619660), (508, 309830), (635, 247864), (1016, 154915), (1270, 123932), (2540, 61966), (5080, 30983)]