40542500

素因数分解:

$2^2\times 5^4\times {\mathrm{16217}}^1$

素因数の和:16241

約数の個数: 30

約数和(自身を含む): 88663806

約数和(自身を除く): 48121306

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 16217, 32434, 64868, 81085, 162170, 324340, 405425, 810850, 1621700, 2027125, 4054250, 8108500, 10135625, 20271250, 40542500]

約数ペア:

[(1, 40542500), (2, 20271250), (4, 10135625), (5, 8108500), (10, 4054250), (20, 2027125), (25, 1621700), (50, 810850), (100, 405425), (125, 324340), (250, 162170), (500, 81085), (625, 64868), (1250, 32434), (2500, 16217)]