3640804880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{3257}}^1$

素因数の和:3516

約数の個数: 80

約数和(自身を含む): 8617149360

約数和(自身を除く): 4976344480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 157, 178, 314, 356, 445, 628, 712, 785, 890, 1256, 1424, 1570, 1780, 2512, 3140, 3257, 3560, 6280, 6514, 7120, 12560, 13028, 13973, 16285, 26056, 27946, 32570, 52112, 55892, 65140, 69865, 111784, 130280, 139730, 223568, 260560, 279460, 289873, 511349, 558920, 579746, 1022698, 1117840, 1159492, 1449365, 2045396, 2318984, 2556745, 2898730, 4090792, 4637968, 5113490, 5797460, 8181584, 10226980, 11594920, 20453960, 23189840, 40907920, 45510061, 91020122, 182040244, 227550305, 364080488, 455100610, 728160976, 910201220, 1820402440, 3640804880]

約数ペア:

[(1, 3640804880), (2, 1820402440), (4, 910201220), (5, 728160976), (8, 455100610), (10, 364080488), (16, 227550305), (20, 182040244), (40, 91020122), (80, 45510061), (89, 40907920), (157, 23189840), (178, 20453960), (314, 11594920), (356, 10226980), (445, 8181584), (628, 5797460), (712, 5113490), (785, 4637968), (890, 4090792), (1256, 2898730), (1424, 2556745), (1570, 2318984), (1780, 2045396), (2512, 1449365), (3140, 1159492), (3257, 1117840), (3560, 1022698), (6280, 579746), (6514, 558920), (7120, 511349), (12560, 289873), (13028, 279460), (13973, 260560), (16285, 223568), (26056, 139730), (27946, 130280), (32570, 111784), (52112, 69865), (55892, 65140)]