320116540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2447}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 697503744

約数和(自身を除く): 377387204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 2110, 2447, 4220, 4894, 6541, 9788, 12235, 13082, 24470, 26164, 32705, 48940, 65410, 75857, 130820, 151714, 303428, 379285, 516317, 758570, 1032634, 1517140, 2065268, 2581585, 5163170, 10326340, 16005827, 32011654, 64023308, 80029135, 160058270, 320116540]

約数ペア:

[(1, 320116540), (2, 160058270), (4, 80029135), (5, 64023308), (10, 32011654), (20, 16005827), (31, 10326340), (62, 5163170), (124, 2581585), (155, 2065268), (211, 1517140), (310, 1032634), (422, 758570), (620, 516317), (844, 379285), (1055, 303428), (2110, 151714), (2447, 130820), (4220, 75857), (4894, 65410), (6541, 48940), (9788, 32705), (12235, 26164), (13082, 24470)]