25280040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{719}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 50924760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 719, 879, 1172, 1438, 1465, 1758, 2157, 2344, 2876, 2930, 3516, 3595, 4314, 4395, 5752, 5860, 7032, 7190, 8628, 8790, 10785, 11720, 14380, 17256, 17580, 21570, 28760, 35160, 43140, 86280, 210667, 421334, 632001, 842668, 1053335, 1264002, 1685336, 2106670, 2528004, 3160005, 4213340, 5056008, 6320010, 8426680, 12640020, 25280040]

約数ペア:

[(1, 25280040), (2, 12640020), (3, 8426680), (4, 6320010), (5, 5056008), (6, 4213340), (8, 3160005), (10, 2528004), (12, 2106670), (15, 1685336), (20, 1264002), (24, 1053335), (30, 842668), (40, 632001), (60, 421334), (120, 210667), (293, 86280), (586, 43140), (719, 35160), (879, 28760), (1172, 21570), (1438, 17580), (1465, 17256), (1758, 14380), (2157, 11720), (2344, 10785), (2876, 8790), (2930, 8628), (3516, 7190), (3595, 7032), (4314, 5860), (4395, 5752)]