260004400

素因数分解:

$2^4\times 5^2\times {\mathrm{650011}}^1$

素因数の和:650029

約数の個数: 30

約数和(自身を含む): 624661532

約数和(自身を除く): 364657132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 650011, 1300022, 2600044, 3250055, 5200088, 6500110, 10400176, 13000220, 16250275, 26000440, 32500550, 52000880, 65001100, 130002200, 260004400]

約数ペア:

[(1, 260004400), (2, 130002200), (4, 65001100), (5, 52000880), (8, 32500550), (10, 26000440), (16, 16250275), (20, 13000220), (25, 10400176), (40, 6500110), (50, 5200088), (80, 3250055), (100, 2600044), (200, 1300022), (400, 650011)]