11111080

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1213}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 25129800

約数和(自身を除く): 14018720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1213, 1832, 2290, 2426, 4580, 4852, 6065, 9160, 9704, 12130, 24260, 48520, 277777, 555554, 1111108, 1388885, 2222216, 2777770, 5555540, 11111080]

約数ペア:

[(1, 11111080), (2, 5555540), (4, 2777770), (5, 2222216), (8, 1388885), (10, 1111108), (20, 555554), (40, 277777), (229, 48520), (458, 24260), (916, 12130), (1145, 9704), (1213, 9160), (1832, 6065), (2290, 4852), (2426, 4580)]