122181760

素因数分解:

$2^7\times 5^1\times {\mathrm{190909}}^1$

素因数の和:190928

約数の個数: 32

約数和(自身を含む): 292092300

約数和(自身を除く): 169910540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 190909, 381818, 763636, 954545, 1527272, 1909090, 3054544, 3818180, 6109088, 7636360, 12218176, 15272720, 24436352, 30545440, 61090880, 122181760]

約数ペア:

[(1, 122181760), (2, 61090880), (4, 30545440), (5, 24436352), (8, 15272720), (10, 12218176), (16, 7636360), (20, 6109088), (32, 3818180), (40, 3054544), (64, 1909090), (80, 1527272), (128, 954545), (160, 763636), (320, 381818), (640, 190909)]