68082820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8447}}^1$

素因数の和:8500

約数の個数: 48

約数和(自身を含む): 158957568

約数和(自身を除く): 90874748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8447, 16894, 33788, 42235, 84470, 109811, 168940, 219622, 261857, 439244, 523714, 549055, 1047428, 1098110, 1309285, 2196220, 2618570, 3404141, 5237140, 6808282, 13616564, 17020705, 34041410, 68082820]

約数ペア:

[(1, 68082820), (2, 34041410), (4, 17020705), (5, 13616564), (10, 6808282), (13, 5237140), (20, 3404141), (26, 2618570), (31, 2196220), (52, 1309285), (62, 1098110), (65, 1047428), (124, 549055), (130, 523714), (155, 439244), (260, 261857), (310, 219622), (403, 168940), (620, 109811), (806, 84470), (1612, 42235), (2015, 33788), (4030, 16894), (8060, 8447)]