77661520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26237}}^1$

素因数の和:26287

約数の個数: 40

約数和(自身を含む): 185450184

約数和(自身を除く): 107788664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 26237, 52474, 104948, 131185, 209896, 262370, 419792, 524740, 970769, 1049480, 1941538, 2098960, 3883076, 4853845, 7766152, 9707690, 15532304, 19415380, 38830760, 77661520]

約数ペア:

[(1, 77661520), (2, 38830760), (4, 19415380), (5, 15532304), (8, 9707690), (10, 7766152), (16, 4853845), (20, 3883076), (37, 2098960), (40, 1941538), (74, 1049480), (80, 970769), (148, 524740), (185, 419792), (296, 262370), (370, 209896), (592, 131185), (740, 104948), (1480, 52474), (2960, 26237)]