5540000

素因数分解:

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

素因数の和:307

約数の個数: 60

約数和(自身を含む): 13678434

約数和(自身を除く): 8138434

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 277, 400, 500, 554, 625, 800, 1000, 1108, 1250, 1385, 2000, 2216, 2500, 2770, 4000, 4432, 5000, 5540, 6925, 8864, 10000, 11080, 13850, 20000, 22160, 27700, 34625, 44320, 55400, 69250, 110800, 138500, 173125, 221600, 277000, 346250, 554000, 692500, 1108000, 1385000, 2770000, 5540000]

約数ペア:

[(1, 5540000), (2, 2770000), (4, 1385000), (5, 1108000), (8, 692500), (10, 554000), (16, 346250), (20, 277000), (25, 221600), (32, 173125), (40, 138500), (50, 110800), (80, 69250), (100, 55400), (125, 44320), (160, 34625), (200, 27700), (250, 22160), (277, 20000), (400, 13850), (500, 11080), (554, 10000), (625, 8864), (800, 6925), (1000, 5540), (1108, 5000), (1250, 4432), (1385, 4000), (2000, 2770), (2216, 2500)]