51917240

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3719}}^1$

素因数の和:4079

約数の個数: 32

約数和(自身を含む): 117180000

約数和(自身を除く): 65262760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 3719, 6980, 7438, 13960, 14876, 18595, 29752, 37190, 74380, 148760, 1297931, 2595862, 5191724, 6489655, 10383448, 12979310, 25958620, 51917240]

約数ペア:

[(1, 51917240), (2, 25958620), (4, 12979310), (5, 10383448), (8, 6489655), (10, 5191724), (20, 2595862), (40, 1297931), (349, 148760), (698, 74380), (1396, 37190), (1745, 29752), (2792, 18595), (3490, 14876), (3719, 13960), (6980, 7438)]