888920080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{258407}}^1$

素因数の和:258463

約数の個数: 40

約数和(自身を含む): 2114811072

約数和(自身を除く): 1225890992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 258407, 516814, 1033628, 1292035, 2067256, 2584070, 4134512, 5168140, 10336280, 11111501, 20672560, 22223002, 44446004, 55557505, 88892008, 111115010, 177784016, 222230020, 444460040, 888920080]

約数ペア:

[(1, 888920080), (2, 444460040), (4, 222230020), (5, 177784016), (8, 111115010), (10, 88892008), (16, 55557505), (20, 44446004), (40, 22223002), (43, 20672560), (80, 11111501), (86, 10336280), (172, 5168140), (215, 4134512), (344, 2584070), (430, 2067256), (688, 1292035), (860, 1033628), (1720, 516814), (3440, 258407)]