15991840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 38126592

約数和(自身を除く): 22134752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 787, 1016, 1270, 1574, 2032, 2540, 3148, 3935, 4064, 5080, 6296, 7870, 10160, 12592, 15740, 20320, 25184, 31480, 62960, 99949, 125920, 199898, 399796, 499745, 799592, 999490, 1599184, 1998980, 3198368, 3997960, 7995920, 15991840]

約数ペア:

[(1, 15991840), (2, 7995920), (4, 3997960), (5, 3198368), (8, 1998980), (10, 1599184), (16, 999490), (20, 799592), (32, 499745), (40, 399796), (80, 199898), (127, 125920), (160, 99949), (254, 62960), (508, 31480), (635, 25184), (787, 20320), (1016, 15740), (1270, 12592), (1574, 10160), (2032, 7870), (2540, 6296), (3148, 5080), (3935, 4064)]