4145000

素因数分解:

$2^3\times 5^4\times {\mathrm{829}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 9723450

約数和(自身を除く): 5578450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 829, 1000, 1250, 1658, 2500, 3316, 4145, 5000, 6632, 8290, 16580, 20725, 33160, 41450, 82900, 103625, 165800, 207250, 414500, 518125, 829000, 1036250, 2072500, 4145000]

約数ペア:

[(1, 4145000), (2, 2072500), (4, 1036250), (5, 829000), (8, 518125), (10, 414500), (20, 207250), (25, 165800), (40, 103625), (50, 82900), (100, 41450), (125, 33160), (200, 20725), (250, 16580), (500, 8290), (625, 6632), (829, 5000), (1000, 4145), (1250, 3316), (1658, 2500)]