89410000

素因数分解:

$2^4\times 5^4\times {\mathrm{8941}}^1$

素因数の和:8969

約数の個数: 50

約数和(自身を含む): 216494762

約数和(自身を除く): 127084762

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8941, 10000, 17882, 35764, 44705, 71528, 89410, 143056, 178820, 223525, 357640, 447050, 715280, 894100, 1117625, 1788200, 2235250, 3576400, 4470500, 5588125, 8941000, 11176250, 17882000, 22352500, 44705000, 89410000]

約数ペア:

[(1, 89410000), (2, 44705000), (4, 22352500), (5, 17882000), (8, 11176250), (10, 8941000), (16, 5588125), (20, 4470500), (25, 3576400), (40, 2235250), (50, 1788200), (80, 1117625), (100, 894100), (125, 715280), (200, 447050), (250, 357640), (400, 223525), (500, 178820), (625, 143056), (1000, 89410), (1250, 71528), (2000, 44705), (2500, 35764), (5000, 17882), (8941, 10000)]