66513680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43759}}^1$

素因数の和:43791

約数の個数: 40

約数和(自身を含む): 162787200

約数和(自身を除く): 96273520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43759, 87518, 175036, 218795, 350072, 437590, 700144, 831421, 875180, 1662842, 1750360, 3325684, 3500720, 4157105, 6651368, 8314210, 13302736, 16628420, 33256840, 66513680]

約数ペア:

[(1, 66513680), (2, 33256840), (4, 16628420), (5, 13302736), (8, 8314210), (10, 6651368), (16, 4157105), (19, 3500720), (20, 3325684), (38, 1750360), (40, 1662842), (76, 875180), (80, 831421), (95, 700144), (152, 437590), (190, 350072), (304, 218795), (380, 175036), (760, 87518), (1520, 43759)]