79845040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2278

約数の個数: 80

約数和(自身を含む): 207549216

約数和(自身を除く): 127704176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2213, 2255, 3280, 3608, 4426, 4510, 7216, 8852, 9020, 11065, 17704, 18040, 22130, 24343, 35408, 36080, 44260, 48686, 88520, 90733, 97372, 121715, 177040, 181466, 194744, 243430, 362932, 389488, 453665, 486860, 725864, 907330, 973720, 998063, 1451728, 1814660, 1947440, 1996126, 3629320, 3992252, 4990315, 7258640, 7984504, 9980630, 15969008, 19961260, 39922520, 79845040]

約数ペア:

[(1, 79845040), (2, 39922520), (4, 19961260), (5, 15969008), (8, 9980630), (10, 7984504), (11, 7258640), (16, 4990315), (20, 3992252), (22, 3629320), (40, 1996126), (41, 1947440), (44, 1814660), (55, 1451728), (80, 998063), (82, 973720), (88, 907330), (110, 725864), (164, 486860), (176, 453665), (205, 389488), (220, 362932), (328, 243430), (410, 194744), (440, 181466), (451, 177040), (656, 121715), (820, 97372), (880, 90733), (902, 88520), (1640, 48686), (1804, 44260), (2213, 36080), (2255, 35408), (3280, 24343), (3608, 22130), (4426, 18040), (4510, 17704), (7216, 11065), (8852, 9020)]