29139920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1060

約数の個数: 60

約数和(自身を含む): 71574660

約数和(自身を除く): 42434740

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1009, 1444, 1520, 1805, 2018, 2888, 3610, 4036, 5045, 5776, 7220, 8072, 10090, 14440, 16144, 19171, 20180, 28880, 38342, 40360, 76684, 80720, 95855, 153368, 191710, 306736, 364249, 383420, 728498, 766840, 1456996, 1533680, 1821245, 2913992, 3642490, 5827984, 7284980, 14569960, 29139920]

約数ペア:

[(1, 29139920), (2, 14569960), (4, 7284980), (5, 5827984), (8, 3642490), (10, 2913992), (16, 1821245), (19, 1533680), (20, 1456996), (38, 766840), (40, 728498), (76, 383420), (80, 364249), (95, 306736), (152, 191710), (190, 153368), (304, 95855), (361, 80720), (380, 76684), (722, 40360), (760, 38342), (1009, 28880), (1444, 20180), (1520, 19171), (1805, 16144), (2018, 14440), (2888, 10090), (3610, 8072), (4036, 7220), (5045, 5776)]