20196250

素因数分解:

$2^1\times 5^4\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 40

約数和(自身を含む): 38462688

約数和(自身を除く): 18266438

約数列:

[1, 2, 5, 10, 25, 50, 107, 125, 151, 214, 250, 302, 535, 625, 755, 1070, 1250, 1510, 2675, 3775, 5350, 7550, 13375, 16157, 18875, 26750, 32314, 37750, 66875, 80785, 94375, 133750, 161570, 188750, 403925, 807850, 2019625, 4039250, 10098125, 20196250]

約数ペア:

[(1, 20196250), (2, 10098125), (5, 4039250), (10, 2019625), (25, 807850), (50, 403925), (107, 188750), (125, 161570), (151, 133750), (214, 94375), (250, 80785), (302, 66875), (535, 37750), (625, 32314), (755, 26750), (1070, 18875), (1250, 16157), (1510, 13375), (2675, 7550), (3775, 5350)]