27865000

素因数分解:

$2^3\times 5^4\times {\mathrm{5573}}^1$

素因数の和:5599

約数の個数: 40

約数和(自身を含む): 65299410

約数和(自身を除く): 37434410

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5573, 11146, 22292, 27865, 44584, 55730, 111460, 139325, 222920, 278650, 557300, 696625, 1114600, 1393250, 2786500, 3483125, 5573000, 6966250, 13932500, 27865000]

約数ペア:

[(1, 27865000), (2, 13932500), (4, 6966250), (5, 5573000), (8, 3483125), (10, 2786500), (20, 1393250), (25, 1114600), (40, 696625), (50, 557300), (100, 278650), (125, 222920), (200, 139325), (250, 111460), (500, 55730), (625, 44584), (1000, 27865), (1250, 22292), (2500, 11146), (5000, 5573)]