996878660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{1601}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 2118638592

約数和(自身を除く): 1121759932

約数列:

[1, 2, 4, 5, 10, 20, 163, 191, 326, 382, 652, 764, 815, 955, 1601, 1630, 1910, 3202, 3260, 3820, 6404, 8005, 16010, 31133, 32020, 62266, 124532, 155665, 260963, 305791, 311330, 521926, 611582, 622660, 1043852, 1223164, 1304815, 1528955, 2609630, 3057910, 5219260, 6115820, 49843933, 99687866, 199375732, 249219665, 498439330, 996878660]

約数ペア:

[(1, 996878660), (2, 498439330), (4, 249219665), (5, 199375732), (10, 99687866), (20, 49843933), (163, 6115820), (191, 5219260), (326, 3057910), (382, 2609630), (652, 1528955), (764, 1304815), (815, 1223164), (955, 1043852), (1601, 622660), (1630, 611582), (1910, 521926), (3202, 311330), (3260, 305791), (3820, 260963), (6404, 155665), (8005, 124532), (16010, 62266), (31133, 32020)]