53177240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{719}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 122666400

約数和(自身を除く): 69489160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 719, 860, 1438, 1720, 1849, 2876, 3595, 3698, 5752, 7190, 7396, 9245, 14380, 14792, 18490, 28760, 30917, 36980, 61834, 73960, 123668, 154585, 247336, 309170, 618340, 1236680, 1329431, 2658862, 5317724, 6647155, 10635448, 13294310, 26588620, 53177240]

約数ペア:

[(1, 53177240), (2, 26588620), (4, 13294310), (5, 10635448), (8, 6647155), (10, 5317724), (20, 2658862), (40, 1329431), (43, 1236680), (86, 618340), (172, 309170), (215, 247336), (344, 154585), (430, 123668), (719, 73960), (860, 61834), (1438, 36980), (1720, 30917), (1849, 28760), (2876, 18490), (3595, 14792), (3698, 14380), (5752, 9245), (7190, 7396)]