2100028750

素因数分解:

$2^1\times 5^4\times {\mathrm{1680023}}^1$

素因数の和:1680045

約数の個数: 20

約数和(自身を含む): 3936296232

約数和(自身を除く): 1836267482

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1680023, 3360046, 8400115, 16800230, 42000575, 84001150, 210002875, 420005750, 1050014375, 2100028750]

約数ペア:

[(1, 2100028750), (2, 1050014375), (5, 420005750), (10, 210002875), (25, 84001150), (50, 42000575), (125, 16800230), (250, 8400115), (625, 3360046), (1250, 1680023)]