63998960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17021}}^1$

素因数の和:17081

約数の個数: 40

約数和(自身を含む): 151972416

約数和(自身を除く): 87973456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17021, 34042, 68084, 85105, 136168, 170210, 272336, 340420, 680840, 799987, 1361680, 1599974, 3199948, 3999935, 6399896, 7999870, 12799792, 15999740, 31999480, 63998960]

約数ペア:

[(1, 63998960), (2, 31999480), (4, 15999740), (5, 12799792), (8, 7999870), (10, 6399896), (16, 3999935), (20, 3199948), (40, 1599974), (47, 1361680), (80, 799987), (94, 680840), (188, 340420), (235, 272336), (376, 170210), (470, 136168), (752, 85105), (940, 68084), (1880, 34042), (3760, 17021)]