4203520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{821}}^1$

素因数の和:846

約数の個数: 44

約数和(自身を含む): 10095804

約数和(自身を除く): 5892284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 821, 1024, 1280, 1642, 2560, 3284, 4105, 5120, 6568, 8210, 13136, 16420, 26272, 32840, 52544, 65680, 105088, 131360, 210176, 262720, 420352, 525440, 840704, 1050880, 2101760, 4203520]

約数ペア:

[(1, 4203520), (2, 2101760), (4, 1050880), (5, 840704), (8, 525440), (10, 420352), (16, 262720), (20, 210176), (32, 131360), (40, 105088), (64, 65680), (80, 52544), (128, 32840), (160, 26272), (256, 16420), (320, 13136), (512, 8210), (640, 6568), (821, 5120), (1024, 4105), (1280, 3284), (1642, 2560)]