135256540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{587}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 292499424

約数和(自身を除く): 157242884

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 281, 410, 562, 587, 820, 1124, 1174, 1405, 2348, 2810, 2935, 5620, 5870, 11521, 11740, 23042, 24067, 46084, 48134, 57605, 96268, 115210, 120335, 164947, 230420, 240670, 329894, 481340, 659788, 824735, 1649470, 3298940, 6762827, 13525654, 27051308, 33814135, 67628270, 135256540]

約数ペア:

[(1, 135256540), (2, 67628270), (4, 33814135), (5, 27051308), (10, 13525654), (20, 6762827), (41, 3298940), (82, 1649470), (164, 824735), (205, 659788), (281, 481340), (410, 329894), (562, 240670), (587, 230420), (820, 164947), (1124, 120335), (1174, 115210), (1405, 96268), (2348, 57605), (2810, 48134), (2935, 46084), (5620, 24067), (5870, 23042), (11521, 11740)]