51753320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18223}}^1$

素因数の和:18305

約数の個数: 32

約数和(自身を含む): 118091520

約数和(自身を除く): 66338200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18223, 36446, 72892, 91115, 145784, 182230, 364460, 728920, 1293833, 2587666, 5175332, 6469165, 10350664, 12938330, 25876660, 51753320]

約数ペア:

[(1, 51753320), (2, 25876660), (4, 12938330), (5, 10350664), (8, 6469165), (10, 5175332), (20, 2587666), (40, 1293833), (71, 728920), (142, 364460), (284, 182230), (355, 145784), (568, 91115), (710, 72892), (1420, 36446), (2840, 18223)]