158155640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 362741760

約数和(自身を除く): 204586120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 163, 191, 254, 326, 382, 508, 635, 652, 764, 815, 955, 1016, 1270, 1304, 1528, 1630, 1910, 2540, 3260, 3820, 5080, 6520, 7640, 20701, 24257, 31133, 41402, 48514, 62266, 82804, 97028, 103505, 121285, 124532, 155665, 165608, 194056, 207010, 242570, 249064, 311330, 414020, 485140, 622660, 828040, 970280, 1245320, 3953891, 7907782, 15815564, 19769455, 31631128, 39538910, 79077820, 158155640]

約数ペア:

[(1, 158155640), (2, 79077820), (4, 39538910), (5, 31631128), (8, 19769455), (10, 15815564), (20, 7907782), (40, 3953891), (127, 1245320), (163, 970280), (191, 828040), (254, 622660), (326, 485140), (382, 414020), (508, 311330), (635, 249064), (652, 242570), (764, 207010), (815, 194056), (955, 165608), (1016, 155665), (1270, 124532), (1304, 121285), (1528, 103505), (1630, 97028), (1910, 82804), (2540, 62266), (3260, 48514), (3820, 41402), (5080, 31133), (6520, 24257), (7640, 20701)]