865984923920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137022931}}^1$

素因数の和:137023023

約数の個数: 40

約数和(自身を含む): 2038901228160

約数和(自身を除く): 1172916304240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 137022931, 274045862, 548091724, 685114655, 1096183448, 1370229310, 2192366896, 2740458620, 5480917240, 10824811549, 10961834480, 21649623098, 43299246196, 54124057745, 86598492392, 108248115490, 173196984784, 216496230980, 432992461960, 865984923920]

約数ペア:

[(1, 865984923920), (2, 432992461960), (4, 216496230980), (5, 173196984784), (8, 108248115490), (10, 86598492392), (16, 54124057745), (20, 43299246196), (40, 21649623098), (79, 10961834480), (80, 10824811549), (158, 5480917240), (316, 2740458620), (395, 2192366896), (632, 1370229310), (790, 1096183448), (1264, 685114655), (1580, 548091724), (3160, 274045862), (6320, 137022931)]