25760120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 35475880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 419, 424, 530, 580, 838, 1060, 1160, 1537, 1676, 2095, 2120, 3074, 3352, 4190, 6148, 7685, 8380, 12151, 12296, 15370, 16760, 22207, 24302, 30740, 44414, 48604, 60755, 61480, 88828, 97208, 111035, 121510, 177656, 222070, 243020, 444140, 486040, 644003, 888280, 1288006, 2576012, 3220015, 5152024, 6440030, 12880060, 25760120]

約数ペア:

[(1, 25760120), (2, 12880060), (4, 6440030), (5, 5152024), (8, 3220015), (10, 2576012), (20, 1288006), (29, 888280), (40, 644003), (53, 486040), (58, 444140), (106, 243020), (116, 222070), (145, 177656), (212, 121510), (232, 111035), (265, 97208), (290, 88828), (419, 61480), (424, 60755), (530, 48604), (580, 44414), (838, 30740), (1060, 24302), (1160, 22207), (1537, 16760), (1676, 15370), (2095, 12296), (2120, 12151), (3074, 8380), (3352, 7685), (4190, 6148)]