61336840

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2753}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 138305880

約数和(自身を除く): 76969040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2753, 2785, 4456, 5506, 5570, 11012, 11140, 13765, 22024, 22280, 27530, 55060, 110120, 1533421, 3066842, 6133684, 7667105, 12267368, 15334210, 30668420, 61336840]

約数ペア:

[(1, 61336840), (2, 30668420), (4, 15334210), (5, 12267368), (8, 7667105), (10, 6133684), (20, 3066842), (40, 1533421), (557, 110120), (1114, 55060), (2228, 27530), (2753, 22280), (2785, 22024), (4456, 13765), (5506, 11140), (5570, 11012)]