4392440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8447}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 10644480

約数和(自身を除く): 6252040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8447, 16894, 33788, 42235, 67576, 84470, 109811, 168940, 219622, 337880, 439244, 549055, 878488, 1098110, 2196220, 4392440]

約数ペア:

[(1, 4392440), (2, 2196220), (4, 1098110), (5, 878488), (8, 549055), (10, 439244), (13, 337880), (20, 219622), (26, 168940), (40, 109811), (52, 84470), (65, 67576), (104, 42235), (130, 33788), (260, 16894), (520, 8447)]