64765540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12503}}^1$

素因数の和:12556

約数の個数: 48

約数和(自身を含む): 159651072

約数和(自身を除く): 94885532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12503, 25006, 50012, 62515, 87521, 125030, 175042, 250060, 350084, 437605, 462611, 875210, 925222, 1750420, 1850444, 2313055, 3238277, 4626110, 6476554, 9252220, 12953108, 16191385, 32382770, 64765540]

約数ペア:

[(1, 64765540), (2, 32382770), (4, 16191385), (5, 12953108), (7, 9252220), (10, 6476554), (14, 4626110), (20, 3238277), (28, 2313055), (35, 1850444), (37, 1750420), (70, 925222), (74, 875210), (140, 462611), (148, 437605), (185, 350084), (259, 250060), (370, 175042), (518, 125030), (740, 87521), (1036, 62515), (1295, 50012), (2590, 25006), (5180, 12503)]