66520720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118787}}^1$

素因数の和:118807

約数の個数: 40

約数和(自身を含む): 176756544

約数和(自身を除く): 110235824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118787, 237574, 475148, 593935, 831509, 950296, 1187870, 1663018, 1900592, 2375740, 3326036, 4157545, 4751480, 6652072, 8315090, 9502960, 13304144, 16630180, 33260360, 66520720]

約数ペア:

[(1, 66520720), (2, 33260360), (4, 16630180), (5, 13304144), (7, 9502960), (8, 8315090), (10, 6652072), (14, 4751480), (16, 4157545), (20, 3326036), (28, 2375740), (35, 1900592), (40, 1663018), (56, 1187870), (70, 950296), (80, 831509), (112, 593935), (140, 475148), (280, 237574), (560, 118787)]