80915642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 133056000

約数和(自身を除く): 52140358

約数列:

[1, 2, 19, 31, 38, 62, 149, 298, 461, 589, 922, 1178, 2831, 4619, 5662, 8759, 9238, 14291, 17518, 28582, 68689, 87761, 137378, 175522, 271529, 543058, 1305091, 2129359, 2610182, 4258718, 40457821, 80915642]

約数ペア:

[(1, 80915642), (2, 40457821), (19, 4258718), (31, 2610182), (38, 2129359), (62, 1305091), (149, 543058), (298, 271529), (461, 175522), (589, 137378), (922, 87761), (1178, 68689), (2831, 28582), (4619, 17518), (5662, 14291), (8759, 9238)]