22160000

素因数分解:

$2^7\times 5^4\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 55365090

約数和(自身を除く): 33205090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 277, 320, 400, 500, 554, 625, 640, 800, 1000, 1108, 1250, 1385, 1600, 2000, 2216, 2500, 2770, 3200, 4000, 4432, 5000, 5540, 6925, 8000, 8864, 10000, 11080, 13850, 16000, 17728, 20000, 22160, 27700, 34625, 35456, 40000, 44320, 55400, 69250, 80000, 88640, 110800, 138500, 173125, 177280, 221600, 277000, 346250, 443200, 554000, 692500, 886400, 1108000, 1385000, 2216000, 2770000, 4432000, 5540000, 11080000, 22160000]

約数ペア:

[(1, 22160000), (2, 11080000), (4, 5540000), (5, 4432000), (8, 2770000), (10, 2216000), (16, 1385000), (20, 1108000), (25, 886400), (32, 692500), (40, 554000), (50, 443200), (64, 346250), (80, 277000), (100, 221600), (125, 177280), (128, 173125), (160, 138500), (200, 110800), (250, 88640), (277, 80000), (320, 69250), (400, 55400), (500, 44320), (554, 40000), (625, 35456), (640, 34625), (800, 27700), (1000, 22160), (1108, 20000), (1250, 17728), (1385, 16000), (1600, 13850), (2000, 11080), (2216, 10000), (2500, 8864), (2770, 8000), (3200, 6925), (4000, 5540), (4432, 5000)]