40380920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7949}}^1$

素因数の和:8087

約数の個数: 32

約数和(自身を含む): 91584000

約数和(自身を除く): 51203080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 7949, 15898, 31796, 39745, 63592, 79490, 158980, 317960, 1009523, 2019046, 4038092, 5047615, 8076184, 10095230, 20190460, 40380920]

約数ペア:

[(1, 40380920), (2, 20190460), (4, 10095230), (5, 8076184), (8, 5047615), (10, 4038092), (20, 2019046), (40, 1009523), (127, 317960), (254, 158980), (508, 79490), (635, 63592), (1016, 39745), (1270, 31796), (2540, 15898), (5080, 7949)]