164073160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 379021680

約数和(自身を除く): 214948520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 193, 212, 265, 386, 401, 424, 530, 772, 802, 965, 1060, 1544, 1604, 1930, 2005, 2120, 3208, 3860, 4010, 7720, 8020, 10229, 16040, 20458, 21253, 40916, 42506, 51145, 77393, 81832, 85012, 102290, 106265, 154786, 170024, 204580, 212530, 309572, 386965, 409160, 425060, 619144, 773930, 850120, 1547860, 3095720, 4101829, 8203658, 16407316, 20509145, 32814632, 41018290, 82036580, 164073160]

約数ペア:

[(1, 164073160), (2, 82036580), (4, 41018290), (5, 32814632), (8, 20509145), (10, 16407316), (20, 8203658), (40, 4101829), (53, 3095720), (106, 1547860), (193, 850120), (212, 773930), (265, 619144), (386, 425060), (401, 409160), (424, 386965), (530, 309572), (772, 212530), (802, 204580), (965, 170024), (1060, 154786), (1544, 106265), (1604, 102290), (1930, 85012), (2005, 81832), (2120, 77393), (3208, 51145), (3860, 42506), (4010, 40916), (7720, 21253), (8020, 20458), (10229, 16040)]