72508000

素因数分解:

$2^5\times 5^3\times {\mathrm{18127}}^1$

素因数の和:18152

約数の個数: 48

約数和(自身を含む): 178161984

約数和(自身を除く): 105653984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 18127, 36254, 72508, 90635, 145016, 181270, 290032, 362540, 453175, 580064, 725080, 906350, 1450160, 1812700, 2265875, 2900320, 3625400, 4531750, 7250800, 9063500, 14501600, 18127000, 36254000, 72508000]

約数ペア:

[(1, 72508000), (2, 36254000), (4, 18127000), (5, 14501600), (8, 9063500), (10, 7250800), (16, 4531750), (20, 3625400), (25, 2900320), (32, 2265875), (40, 1812700), (50, 1450160), (80, 906350), (100, 725080), (125, 580064), (160, 453175), (200, 362540), (250, 290032), (400, 181270), (500, 145016), (800, 90635), (1000, 72508), (2000, 36254), (4000, 18127)]