28345000

素因数分解:

$2^3\times 5^4\times {\mathrm{5669}}^1$

素因数の和:5695

約数の個数: 40

約数和(自身を含む): 66424050

約数和(自身を除く): 38079050

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5669, 11338, 22676, 28345, 45352, 56690, 113380, 141725, 226760, 283450, 566900, 708625, 1133800, 1417250, 2834500, 3543125, 5669000, 7086250, 14172500, 28345000]

約数ペア:

[(1, 28345000), (2, 14172500), (4, 7086250), (5, 5669000), (8, 3543125), (10, 2834500), (20, 1417250), (25, 1133800), (40, 708625), (50, 566900), (100, 283450), (125, 226760), (200, 141725), (250, 113380), (500, 56690), (625, 45352), (1000, 28345), (1250, 22676), (2500, 11338), (5000, 5669)]