68836760

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4931}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 155358000

約数和(自身を除く): 86521240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 4931, 6980, 9862, 13960, 19724, 24655, 39448, 49310, 98620, 197240, 1720919, 3441838, 6883676, 8604595, 13767352, 17209190, 34418380, 68836760]

約数ペア:

[(1, 68836760), (2, 34418380), (4, 17209190), (5, 13767352), (8, 8604595), (10, 6883676), (20, 3441838), (40, 1720919), (349, 197240), (698, 98620), (1396, 49310), (1745, 39448), (2792, 24655), (3490, 19724), (4931, 13960), (6980, 9862)]