80752720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59377}}^1$

素因数の和:59407

約数の個数: 40

約数和(自身を含む): 198797544

約数和(自身を除く): 118044824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59377, 118754, 237508, 296885, 475016, 593770, 950032, 1009409, 1187540, 2018818, 2375080, 4037636, 4750160, 5047045, 8075272, 10094090, 16150544, 20188180, 40376360, 80752720]

約数ペア:

[(1, 80752720), (2, 40376360), (4, 20188180), (5, 16150544), (8, 10094090), (10, 8075272), (16, 5047045), (17, 4750160), (20, 4037636), (34, 2375080), (40, 2018818), (68, 1187540), (80, 1009409), (85, 950032), (136, 593770), (170, 475016), (272, 296885), (340, 237508), (680, 118754), (1360, 59377)]