1301857520

素因数分解:

$2^4\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{10039}}^1$

素因数の和:11673

約数の個数: 40

約数和(自身を含む): 3028987680

約数和(自身を除く): 1727130160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621, 3242, 6484, 8105, 10039, 12968, 16210, 20078, 25936, 32420, 40156, 50195, 64840, 80312, 100390, 129680, 160624, 200780, 401560, 803120, 16273219, 32546438, 65092876, 81366095, 130185752, 162732190, 260371504, 325464380, 650928760, 1301857520]

約数ペア:

[(1, 1301857520), (2, 650928760), (4, 325464380), (5, 260371504), (8, 162732190), (10, 130185752), (16, 81366095), (20, 65092876), (40, 32546438), (80, 16273219), (1621, 803120), (3242, 401560), (6484, 200780), (8105, 160624), (10039, 129680), (12968, 100390), (16210, 80312), (20078, 64840), (25936, 50195), (32420, 40156)]