38807000

素因数分解:

$2^3\times 5^3\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 91765440

約数和(自身を除く): 52958440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 151, 200, 250, 257, 302, 500, 514, 604, 755, 1000, 1028, 1208, 1285, 1510, 2056, 2570, 3020, 3775, 5140, 6040, 6425, 7550, 10280, 12850, 15100, 18875, 25700, 30200, 32125, 37750, 38807, 51400, 64250, 75500, 77614, 128500, 151000, 155228, 194035, 257000, 310456, 388070, 776140, 970175, 1552280, 1940350, 3880700, 4850875, 7761400, 9701750, 19403500, 38807000]

約数ペア:

[(1, 38807000), (2, 19403500), (4, 9701750), (5, 7761400), (8, 4850875), (10, 3880700), (20, 1940350), (25, 1552280), (40, 970175), (50, 776140), (100, 388070), (125, 310456), (151, 257000), (200, 194035), (250, 155228), (257, 151000), (302, 128500), (500, 77614), (514, 75500), (604, 64250), (755, 51400), (1000, 38807), (1028, 37750), (1208, 32125), (1285, 30200), (1510, 25700), (2056, 18875), (2570, 15100), (3020, 12850), (3775, 10280), (5140, 7550), (6040, 6425)]