79749640

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8783}}^1$

素因数の和:9021

約数の個数: 32

約数和(自身を含む): 180247680

約数和(自身を除く): 100498040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 8783, 9080, 17566, 35132, 43915, 70264, 87830, 175660, 351320, 1993741, 3987482, 7974964, 9968705, 15949928, 19937410, 39874820, 79749640]

約数ペア:

[(1, 79749640), (2, 39874820), (4, 19937410), (5, 15949928), (8, 9968705), (10, 7974964), (20, 3987482), (40, 1993741), (227, 351320), (454, 175660), (908, 87830), (1135, 70264), (1816, 43915), (2270, 35132), (4540, 17566), (8783, 9080)]