158796640

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8783}}^1$

素因数の和:8911

約数の個数: 48

約数和(自身を含む): 378520128

約数和(自身を除く): 219723488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 8783, 9040, 17566, 18080, 35132, 43915, 70264, 87830, 140528, 175660, 281056, 351320, 702640, 992479, 1405280, 1984958, 3969916, 4962395, 7939832, 9924790, 15879664, 19849580, 31759328, 39699160, 79398320, 158796640]

約数ペア:

[(1, 158796640), (2, 79398320), (4, 39699160), (5, 31759328), (8, 19849580), (10, 15879664), (16, 9924790), (20, 7939832), (32, 4962395), (40, 3969916), (80, 1984958), (113, 1405280), (160, 992479), (226, 702640), (452, 351320), (565, 281056), (904, 175660), (1130, 140528), (1808, 87830), (2260, 70264), (3616, 43915), (4520, 35132), (8783, 18080), (9040, 17566)]