61209880

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2521}}^1$

素因数の和:3139

約数の個数: 32

約数和(自身を含む): 138003840

約数和(自身を除く): 76793960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2521, 3035, 4856, 5042, 6070, 10084, 12140, 12605, 20168, 24280, 25210, 50420, 100840, 1530247, 3060494, 6120988, 7651235, 12241976, 15302470, 30604940, 61209880]

約数ペア:

[(1, 61209880), (2, 30604940), (4, 15302470), (5, 12241976), (8, 7651235), (10, 6120988), (20, 3060494), (40, 1530247), (607, 100840), (1214, 50420), (2428, 25210), (2521, 24280), (3035, 20168), (4856, 12605), (5042, 12140), (6070, 10084)]