1024366400

素因数分解:

$2^6\times 5^2\times {\mathrm{640229}}^1$

素因数の和:640251

約数の個数: 42

約数和(自身を含む): 2520585510

約数和(自身を除く): 1496219110

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 640229, 1280458, 2560916, 3201145, 5121832, 6402290, 10243664, 12804580, 16005725, 20487328, 25609160, 32011450, 40974656, 51218320, 64022900, 102436640, 128045800, 204873280, 256091600, 512183200, 1024366400]

約数ペア:

[(1, 1024366400), (2, 512183200), (4, 256091600), (5, 204873280), (8, 128045800), (10, 102436640), (16, 64022900), (20, 51218320), (25, 40974656), (32, 32011450), (40, 25609160), (50, 20487328), (64, 16005725), (80, 12804580), (100, 10243664), (160, 6402290), (200, 5121832), (320, 3201145), (400, 2560916), (800, 1280458), (1600, 640229)]