15728500

素因数分解:

$2^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 19128140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 332, 379, 415, 500, 758, 830, 1516, 1660, 1895, 2075, 3790, 4150, 7580, 8300, 9475, 10375, 18950, 20750, 31457, 37900, 41500, 47375, 62914, 94750, 125828, 157285, 189500, 314570, 629140, 786425, 1572850, 3145700, 3932125, 7864250, 15728500]

約数ペア:

[(1, 15728500), (2, 7864250), (4, 3932125), (5, 3145700), (10, 1572850), (20, 786425), (25, 629140), (50, 314570), (83, 189500), (100, 157285), (125, 125828), (166, 94750), (250, 62914), (332, 47375), (379, 41500), (415, 37900), (500, 31457), (758, 20750), (830, 18950), (1516, 10375), (1660, 9475), (1895, 8300), (2075, 7580), (3790, 4150)]