28156665200

素因数分解:

$2^4\times 5^2\times {\mathrm{70391663}}^1$

素因数の和:70391681

約数の個数: 30

約数和(自身を含む): 67646389104

約数和(自身を除く): 39489723904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70391663, 140783326, 281566652, 351958315, 563133304, 703916630, 1126266608, 1407833260, 1759791575, 2815666520, 3519583150, 5631333040, 7039166300, 14078332600, 28156665200]

約数ペア:

[(1, 28156665200), (2, 14078332600), (4, 7039166300), (5, 5631333040), (8, 3519583150), (10, 2815666520), (16, 1759791575), (20, 1407833260), (25, 1126266608), (40, 703916630), (50, 563133304), (80, 351958315), (100, 281566652), (200, 140783326), (400, 70391663)]