81166150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 163677024

約数和(自身を除く): 82510874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 193, 325, 386, 647, 650, 965, 1294, 1930, 2509, 3235, 4825, 5018, 6470, 8411, 9650, 12545, 16175, 16822, 25090, 32350, 42055, 62725, 84110, 124871, 125450, 210275, 249742, 420550, 624355, 1248710, 1623323, 3121775, 3246646, 6243550, 8116615, 16233230, 40583075, 81166150]

約数ペア:

[(1, 81166150), (2, 40583075), (5, 16233230), (10, 8116615), (13, 6243550), (25, 3246646), (26, 3121775), (50, 1623323), (65, 1248710), (130, 624355), (193, 420550), (325, 249742), (386, 210275), (647, 125450), (650, 124871), (965, 84110), (1294, 62725), (1930, 42055), (2509, 32350), (3235, 25090), (4825, 16822), (5018, 16175), (6470, 12545), (8411, 9650)]