65750680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26947}}^1$

素因数の和:27019

約数の個数: 32

約数和(自身を含む): 150369840

約数和(自身を除く): 84619160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26947, 53894, 107788, 134735, 215576, 269470, 538940, 1077880, 1643767, 3287534, 6575068, 8218835, 13150136, 16437670, 32875340, 65750680]

約数ペア:

[(1, 65750680), (2, 32875340), (4, 16437670), (5, 13150136), (8, 8218835), (10, 6575068), (20, 3287534), (40, 1643767), (61, 1077880), (122, 538940), (244, 269470), (305, 215576), (488, 134735), (610, 107788), (1220, 53894), (2440, 26947)]