61049960

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2309}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 137629800

約数和(自身を除く): 76579840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2309, 2644, 3305, 4618, 5288, 6610, 9236, 11545, 13220, 18472, 23090, 26440, 46180, 92360, 1526249, 3052498, 6104996, 7631245, 12209992, 15262490, 30524980, 61049960]

約数ペア:

[(1, 61049960), (2, 30524980), (4, 15262490), (5, 12209992), (8, 7631245), (10, 6104996), (20, 3052498), (40, 1526249), (661, 92360), (1322, 46180), (2309, 26440), (2644, 23090), (3305, 18472), (4618, 13220), (5288, 11545), (6610, 9236)]