8406640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 21936096

約数和(自身を除く): 13529456

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, 233, 328, 410, 440, 451, 466, 656, 820, 880, 902, 932, 1165, 1640, 1804, 1864, 2255, 2330, 2563, 3280, 3608, 3728, 4510, 4660, 5126, 7216, 9020, 9320, 9553, 10252, 12815, 18040, 18640, 19106, 20504, 25630, 36080, 38212, 41008, 47765, 51260, 76424, 95530, 102520, 105083, 152848, 191060, 205040, 210166, 382120, 420332, 525415, 764240, 840664, 1050830, 1681328, 2101660, 4203320, 8406640]

約数ペア:

[(1, 8406640), (2, 4203320), (4, 2101660), (5, 1681328), (8, 1050830), (10, 840664), (11, 764240), (16, 525415), (20, 420332), (22, 382120), (40, 210166), (41, 205040), (44, 191060), (55, 152848), (80, 105083), (82, 102520), (88, 95530), (110, 76424), (164, 51260), (176, 47765), (205, 41008), (220, 38212), (233, 36080), (328, 25630), (410, 20504), (440, 19106), (451, 18640), (466, 18040), (656, 12815), (820, 10252), (880, 9553), (902, 9320), (932, 9020), (1165, 7216), (1640, 5126), (1804, 4660), (1864, 4510), (2255, 3728), (2330, 3608), (2563, 3280)]