13850000

素因数分解:

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

素因数の和:310

約数の個数: 60

約数和(自身を含む): 33661908

約数和(自身を除く): 19811908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 277, 400, 500, 554, 625, 1000, 1108, 1250, 1385, 2000, 2216, 2500, 2770, 3125, 4432, 5000, 5540, 6250, 6925, 10000, 11080, 12500, 13850, 22160, 25000, 27700, 34625, 50000, 55400, 69250, 110800, 138500, 173125, 277000, 346250, 554000, 692500, 865625, 1385000, 1731250, 2770000, 3462500, 6925000, 13850000]

約数ペア:

[(1, 13850000), (2, 6925000), (4, 3462500), (5, 2770000), (8, 1731250), (10, 1385000), (16, 865625), (20, 692500), (25, 554000), (40, 346250), (50, 277000), (80, 173125), (100, 138500), (125, 110800), (200, 69250), (250, 55400), (277, 50000), (400, 34625), (500, 27700), (554, 25000), (625, 22160), (1000, 13850), (1108, 12500), (1250, 11080), (1385, 10000), (2000, 6925), (2216, 6250), (2500, 5540), (2770, 5000), (3125, 4432)]