40508920

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2417}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 91400400

約数和(自身を除く): 50891480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 2417, 3352, 4190, 4834, 8380, 9668, 12085, 16760, 19336, 24170, 48340, 96680, 1012723, 2025446, 4050892, 5063615, 8101784, 10127230, 20254460, 40508920]

約数ペア:

[(1, 40508920), (2, 20254460), (4, 10127230), (5, 8101784), (8, 5063615), (10, 4050892), (20, 2025446), (40, 1012723), (419, 96680), (838, 48340), (1676, 24170), (2095, 19336), (2417, 16760), (3352, 12085), (4190, 9668), (4834, 8380)]