16561400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 40778640

約数和(自身を除く): 24217240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 4871, 9742, 19484, 24355, 38968, 48710, 82807, 97420, 121775, 165614, 194840, 243550, 331228, 414035, 487100, 662456, 828070, 974200, 1656140, 2070175, 3312280, 4140350, 8280700, 16561400]

約数ペア:

[(1, 16561400), (2, 8280700), (4, 4140350), (5, 3312280), (8, 2070175), (10, 1656140), (17, 974200), (20, 828070), (25, 662456), (34, 487100), (40, 414035), (50, 331228), (68, 243550), (85, 194840), (100, 165614), (136, 121775), (170, 97420), (200, 82807), (340, 48710), (425, 38968), (680, 24355), (850, 19484), (1700, 9742), (3400, 4871)]