13844080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 32457744

約数和(自身を除く): 18613664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1321, 2096, 2620, 2642, 5240, 5284, 6605, 10480, 10568, 13210, 21136, 26420, 52840, 105680, 173051, 346102, 692204, 865255, 1384408, 1730510, 2768816, 3461020, 6922040, 13844080]

約数ペア:

[(1, 13844080), (2, 6922040), (4, 3461020), (5, 2768816), (8, 1730510), (10, 1384408), (16, 865255), (20, 692204), (40, 346102), (80, 173051), (131, 105680), (262, 52840), (524, 26420), (655, 21136), (1048, 13210), (1310, 10568), (1321, 10480), (2096, 6605), (2620, 5284), (2642, 5240)]