79717960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284707}}^1$

素因数の和:284725

約数の個数: 32

約数和(自身を含む): 204989760

約数和(自身を除く): 125271800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284707, 569414, 1138828, 1423535, 1992949, 2277656, 2847070, 3985898, 5694140, 7971796, 9964745, 11388280, 15943592, 19929490, 39858980, 79717960]

約数ペア:

[(1, 79717960), (2, 39858980), (4, 19929490), (5, 15943592), (7, 11388280), (8, 9964745), (10, 7971796), (14, 5694140), (20, 3985898), (28, 2847070), (35, 2277656), (40, 1992949), (56, 1423535), (70, 1138828), (140, 569414), (280, 284707)]