39935420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 96761280

約数和(自身を除く): 56825860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 2617, 3052, 3815, 5234, 7630, 10468, 13085, 15260, 18319, 26170, 36638, 52340, 73276, 91595, 183190, 285253, 366380, 570506, 1141012, 1426265, 1996771, 2852530, 3993542, 5705060, 7987084, 9983855, 19967710, 39935420]

約数ペア:

[(1, 39935420), (2, 19967710), (4, 9983855), (5, 7987084), (7, 5705060), (10, 3993542), (14, 2852530), (20, 1996771), (28, 1426265), (35, 1141012), (70, 570506), (109, 366380), (140, 285253), (218, 183190), (436, 91595), (545, 73276), (763, 52340), (1090, 36638), (1526, 26170), (2180, 18319), (2617, 15260), (3052, 13085), (3815, 10468), (5234, 7630)]