45205000

素因数分解:

$2^3\times 5^4\times {\mathrm{9041}}^1$

素因数の和:9067

約数の個数: 40

約数和(自身を含む): 105927030

約数和(自身を除く): 60722030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 9041, 18082, 36164, 45205, 72328, 90410, 180820, 226025, 361640, 452050, 904100, 1130125, 1808200, 2260250, 4520500, 5650625, 9041000, 11301250, 22602500, 45205000]

約数ペア:

[(1, 45205000), (2, 22602500), (4, 11301250), (5, 9041000), (8, 5650625), (10, 4520500), (20, 2260250), (25, 1808200), (40, 1130125), (50, 904100), (100, 452050), (125, 361640), (200, 226025), (250, 180820), (500, 90410), (625, 72328), (1000, 45205), (1250, 36164), (2500, 18082), (5000, 9041)]