8102920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 21352320

約数和(自身を除く): 13249400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 673, 860, 1204, 1346, 1505, 1720, 2408, 2692, 3010, 3365, 4711, 5384, 6020, 6730, 9422, 12040, 13460, 18844, 23555, 26920, 28939, 37688, 47110, 57878, 94220, 115756, 144695, 188440, 202573, 231512, 289390, 405146, 578780, 810292, 1012865, 1157560, 1620584, 2025730, 4051460, 8102920]

約数ペア:

[(1, 8102920), (2, 4051460), (4, 2025730), (5, 1620584), (7, 1157560), (8, 1012865), (10, 810292), (14, 578780), (20, 405146), (28, 289390), (35, 231512), (40, 202573), (43, 188440), (56, 144695), (70, 115756), (86, 94220), (140, 57878), (172, 47110), (215, 37688), (280, 28939), (301, 26920), (344, 23555), (430, 18844), (602, 13460), (673, 12040), (860, 9422), (1204, 6730), (1346, 6020), (1505, 5384), (1720, 4711), (2408, 3365), (2692, 3010)]