25977160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 65292480

約数和(自身を除く): 39315320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1373, 1720, 1892, 2365, 2746, 3784, 4730, 5492, 6865, 9460, 10984, 13730, 15103, 18920, 27460, 30206, 54920, 59039, 60412, 75515, 118078, 120824, 151030, 236156, 295195, 302060, 472312, 590390, 604120, 649429, 1180780, 1298858, 2361560, 2597716, 3247145, 5195432, 6494290, 12988580, 25977160]

約数ペア:

[(1, 25977160), (2, 12988580), (4, 6494290), (5, 5195432), (8, 3247145), (10, 2597716), (11, 2361560), (20, 1298858), (22, 1180780), (40, 649429), (43, 604120), (44, 590390), (55, 472312), (86, 302060), (88, 295195), (110, 236156), (172, 151030), (215, 120824), (220, 118078), (344, 75515), (430, 60412), (440, 59039), (473, 54920), (860, 30206), (946, 27460), (1373, 18920), (1720, 15103), (1892, 13730), (2365, 10984), (2746, 9460), (3784, 6865), (4730, 5492)]