54870140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211039}}^1$

素因数の和:211061

約数の個数: 24

約数和(自身を含む): 124091520

約数和(自身を除く): 69221380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211039, 422078, 844156, 1055195, 2110390, 2743507, 4220780, 5487014, 10974028, 13717535, 27435070, 54870140]

約数ペア:

[(1, 54870140), (2, 27435070), (4, 13717535), (5, 10974028), (10, 5487014), (13, 4220780), (20, 2743507), (26, 2110390), (52, 1055195), (65, 844156), (130, 422078), (260, 211039)]