61258180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 131685120

約数和(自身を除く): 70426940

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 283, 316, 395, 548, 566, 685, 790, 1132, 1370, 1415, 1580, 2740, 2830, 5660, 10823, 21646, 22357, 38771, 43292, 44714, 54115, 77542, 89428, 108230, 111785, 155084, 193855, 216460, 223570, 387710, 447140, 775420, 3062909, 6125818, 12251636, 15314545, 30629090, 61258180]

約数ペア:

[(1, 61258180), (2, 30629090), (4, 15314545), (5, 12251636), (10, 6125818), (20, 3062909), (79, 775420), (137, 447140), (158, 387710), (274, 223570), (283, 216460), (316, 193855), (395, 155084), (548, 111785), (566, 108230), (685, 89428), (790, 77542), (1132, 54115), (1370, 44714), (1415, 43292), (1580, 38771), (2740, 22357), (2830, 21646), (5660, 10823)]