80989110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10111}}^1$

素因数の和:10213

約数の個数: 48

約数和(自身を含む): 212958720

約数和(自身を除く): 131969610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 10111, 20222, 30333, 50555, 60666, 90999, 101110, 151665, 181998, 303330, 454995, 899879, 909990, 1799758, 2699637, 4499395, 5399274, 8098911, 8998790, 13498185, 16197822, 26996370, 40494555, 80989110]

約数ペア:

[(1, 80989110), (2, 40494555), (3, 26996370), (5, 16197822), (6, 13498185), (9, 8998790), (10, 8098911), (15, 5399274), (18, 4499395), (30, 2699637), (45, 1799758), (89, 909990), (90, 899879), (178, 454995), (267, 303330), (445, 181998), (534, 151665), (801, 101110), (890, 90999), (1335, 60666), (1602, 50555), (2670, 30333), (4005, 20222), (8010, 10111)]