80870416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2309}}^1$

素因数の和:2527

約数の個数: 40

約数和(自身を含む): 171864000

約数和(自身を除く): 90993584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 1592, 2189, 2309, 3184, 4378, 4618, 8756, 9236, 17512, 18472, 25399, 35024, 36944, 50798, 101596, 203192, 406384, 459491, 918982, 1837964, 3675928, 5054401, 7351856, 10108802, 20217604, 40435208, 80870416]

約数ペア:

[(1, 80870416), (2, 40435208), (4, 20217604), (8, 10108802), (11, 7351856), (16, 5054401), (22, 3675928), (44, 1837964), (88, 918982), (176, 459491), (199, 406384), (398, 203192), (796, 101596), (1592, 50798), (2189, 36944), (2309, 35024), (3184, 25399), (4378, 18472), (4618, 17512), (8756, 9236)]