22725760

素因数分解:

$2^7\times 5^1\times {\mathrm{35509}}^1$

素因数の和:35528

約数の個数: 32

約数和(自身を含む): 54330300

約数和(自身を除く): 31604540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 35509, 71018, 142036, 177545, 284072, 355090, 568144, 710180, 1136288, 1420360, 2272576, 2840720, 4545152, 5681440, 11362880, 22725760]

約数ペア:

[(1, 22725760), (2, 11362880), (4, 5681440), (5, 4545152), (8, 2840720), (10, 2272576), (16, 1420360), (20, 1136288), (32, 710180), (40, 568144), (64, 355090), (80, 284072), (128, 177545), (160, 142036), (320, 71018), (640, 35509)]