15937221460

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1\times {\mathrm{6247}}^1$

素因数の和:7096

約数の個数: 48

約数和(自身を含む): 33694214400

約数和(自身を除く): 17756992940

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 641, 796, 995, 1282, 1990, 2564, 3205, 3980, 6247, 6410, 12494, 12820, 24988, 31235, 62470, 124940, 127559, 255118, 510236, 637795, 1243153, 1275590, 2486306, 2551180, 4004327, 4972612, 6215765, 8008654, 12431530, 16017308, 20021635, 24863060, 40043270, 80086540, 796861073, 1593722146, 3187444292, 3984305365, 7968610730, 15937221460]

約数ペア:

[(1, 15937221460), (2, 7968610730), (4, 3984305365), (5, 3187444292), (10, 1593722146), (20, 796861073), (199, 80086540), (398, 40043270), (641, 24863060), (796, 20021635), (995, 16017308), (1282, 12431530), (1990, 8008654), (2564, 6215765), (3205, 4972612), (3980, 4004327), (6247, 2551180), (6410, 2486306), (12494, 1275590), (12820, 1243153), (24988, 637795), (31235, 510236), (62470, 255118), (124940, 127559)]