79771880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2514

約数の個数: 64

約数和(自身を含む): 193406400

約数和(自身を除く): 113634520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2441, 3268, 4085, 4882, 6536, 8170, 9764, 12205, 16340, 19528, 24410, 32680, 46379, 48820, 92758, 97640, 104963, 185516, 209926, 231895, 371032, 419852, 463790, 524815, 839704, 927580, 1049630, 1855160, 1994297, 2099260, 3988594, 4198520, 7977188, 9971485, 15954376, 19942970, 39885940, 79771880]

約数ペア:

[(1, 79771880), (2, 39885940), (4, 19942970), (5, 15954376), (8, 9971485), (10, 7977188), (19, 4198520), (20, 3988594), (38, 2099260), (40, 1994297), (43, 1855160), (76, 1049630), (86, 927580), (95, 839704), (152, 524815), (172, 463790), (190, 419852), (215, 371032), (344, 231895), (380, 209926), (430, 185516), (760, 104963), (817, 97640), (860, 92758), (1634, 48820), (1720, 46379), (2441, 32680), (3268, 24410), (4085, 19528), (4882, 16340), (6536, 12205), (8170, 9764)]