80383780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 174254976

約数和(自身を除く): 93871196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 587, 668, 820, 835, 1174, 1670, 2348, 2935, 3340, 5870, 6847, 11740, 13694, 24067, 27388, 34235, 48134, 68470, 96268, 98029, 120335, 136940, 196058, 240670, 392116, 481340, 490145, 980290, 1960580, 4019189, 8038378, 16076756, 20095945, 40191890, 80383780]

約数ペア:

[(1, 80383780), (2, 40191890), (4, 20095945), (5, 16076756), (10, 8038378), (20, 4019189), (41, 1960580), (82, 980290), (164, 490145), (167, 481340), (205, 392116), (334, 240670), (410, 196058), (587, 136940), (668, 120335), (820, 98029), (835, 96268), (1174, 68470), (1670, 48134), (2348, 34235), (2935, 27388), (3340, 24067), (5870, 13694), (6847, 11740)]