159298640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15679}}^1$

素因数の和:15819

約数の個数: 40

約数和(自身を含む): 373309440

約数和(自身を除く): 214010800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 15679, 31358, 62716, 78395, 125432, 156790, 250864, 313580, 627160, 1254320, 1991233, 3982466, 7964932, 9956165, 15929864, 19912330, 31859728, 39824660, 79649320, 159298640]

約数ペア:

[(1, 159298640), (2, 79649320), (4, 39824660), (5, 31859728), (8, 19912330), (10, 15929864), (16, 9956165), (20, 7964932), (40, 3982466), (80, 1991233), (127, 1254320), (254, 627160), (508, 313580), (635, 250864), (1016, 156790), (1270, 125432), (2032, 78395), (2540, 62716), (5080, 31358), (10160, 15679)]