159553640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209939}}^1$

素因数の和:209969

約数の個数: 32

約数和(自身を含む): 377892000

約数和(自身を除く): 218338360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 209939, 419878, 839756, 1049695, 1679512, 2099390, 3988841, 4198780, 7977682, 8397560, 15955364, 19944205, 31910728, 39888410, 79776820, 159553640]

約数ペア:

[(1, 159553640), (2, 79776820), (4, 39888410), (5, 31910728), (8, 19944205), (10, 15955364), (19, 8397560), (20, 7977682), (38, 4198780), (40, 3988841), (76, 2099390), (95, 1679512), (152, 1049695), (190, 839756), (380, 419878), (760, 209939)]