80142500

素因数分解:

$2^2\times 5^4\times {\mathrm{32057}}^1$

素因数の和:32081

約数の個数: 30

約数和(自身を含む): 175261086

約数和(自身を除く): 95118586

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 32057, 64114, 128228, 160285, 320570, 641140, 801425, 1602850, 3205700, 4007125, 8014250, 16028500, 20035625, 40071250, 80142500]

約数ペア:

[(1, 80142500), (2, 40071250), (4, 20035625), (5, 16028500), (10, 8014250), (20, 4007125), (25, 3205700), (50, 1602850), (100, 801425), (125, 641140), (250, 320570), (500, 160285), (625, 128228), (1250, 64114), (2500, 32057)]