8838040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 21708000

約数和(自身を除く): 12869960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 401, 551, 580, 760, 802, 1102, 1160, 1604, 2005, 2204, 2755, 3208, 4010, 4408, 5510, 7619, 8020, 11020, 11629, 15238, 16040, 22040, 23258, 30476, 38095, 46516, 58145, 60952, 76190, 93032, 116290, 152380, 220951, 232580, 304760, 441902, 465160, 883804, 1104755, 1767608, 2209510, 4419020, 8838040]

約数ペア:

[(1, 8838040), (2, 4419020), (4, 2209510), (5, 1767608), (8, 1104755), (10, 883804), (19, 465160), (20, 441902), (29, 304760), (38, 232580), (40, 220951), (58, 152380), (76, 116290), (95, 93032), (116, 76190), (145, 60952), (152, 58145), (190, 46516), (232, 38095), (290, 30476), (380, 23258), (401, 22040), (551, 16040), (580, 15238), (760, 11629), (802, 11020), (1102, 8020), (1160, 7619), (1604, 5510), (2005, 4408), (2204, 4010), (2755, 3208)]