45145000

素因数分解:

$2^3\times 5^4\times {\mathrm{9029}}^1$

素因数の和:9055

約数の個数: 40

約数和(自身を含む): 105786450

約数和(自身を除く): 60641450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 9029, 18058, 36116, 45145, 72232, 90290, 180580, 225725, 361160, 451450, 902900, 1128625, 1805800, 2257250, 4514500, 5643125, 9029000, 11286250, 22572500, 45145000]

約数ペア:

[(1, 45145000), (2, 22572500), (4, 11286250), (5, 9029000), (8, 5643125), (10, 4514500), (20, 2257250), (25, 1805800), (40, 1128625), (50, 902900), (100, 451450), (125, 361160), (200, 225725), (250, 180580), (500, 90290), (625, 72232), (1000, 45145), (1250, 36116), (2500, 18058), (5000, 9029)]