70884080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21611}}^1$

素因数の和:21665

約数の個数: 40

約数和(自身を含む): 168832944

約数和(自身を除く): 97948864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21611, 43222, 86444, 108055, 172888, 216110, 345776, 432220, 864440, 886051, 1728880, 1772102, 3544204, 4430255, 7088408, 8860510, 14176816, 17721020, 35442040, 70884080]

約数ペア:

[(1, 70884080), (2, 35442040), (4, 17721020), (5, 14176816), (8, 8860510), (10, 7088408), (16, 4430255), (20, 3544204), (40, 1772102), (41, 1728880), (80, 886051), (82, 864440), (164, 432220), (205, 345776), (328, 216110), (410, 172888), (656, 108055), (820, 86444), (1640, 43222), (3280, 21611)]