68694760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55399}}^1$

素因数の和:55441

約数の個数: 32

約数和(自身を含む): 159552000

約数和(自身を除く): 90857240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55399, 110798, 221596, 276995, 443192, 553990, 1107980, 1717369, 2215960, 3434738, 6869476, 8586845, 13738952, 17173690, 34347380, 68694760]

約数ペア:

[(1, 68694760), (2, 34347380), (4, 17173690), (5, 13738952), (8, 8586845), (10, 6869476), (20, 3434738), (31, 2215960), (40, 1717369), (62, 1107980), (124, 553990), (155, 443192), (248, 276995), (310, 221596), (620, 110798), (1240, 55399)]