28284100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21757}}^1$

素因数の和:21784

約数の個数: 36

約数和(自身を含む): 66100804

約数和(自身を除く): 37816704

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21757, 43514, 87028, 108785, 217570, 282841, 435140, 543925, 565682, 1087850, 1131364, 1414205, 2175700, 2828410, 5656820, 7071025, 14142050, 28284100]

約数ペア:

[(1, 28284100), (2, 14142050), (4, 7071025), (5, 5656820), (10, 2828410), (13, 2175700), (20, 1414205), (25, 1131364), (26, 1087850), (50, 565682), (52, 543925), (65, 435140), (100, 282841), (130, 217570), (260, 108785), (325, 87028), (650, 43514), (1300, 21757)]