28280590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 55502496

約数和(自身を除く): 27221906

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 2621, 5242, 5395, 10790, 13105, 26210, 34073, 68146, 170365, 217543, 340730, 435086, 1087715, 2175430, 2828059, 5656118, 14140295, 28280590]

約数ペア:

[(1, 28280590), (2, 14140295), (5, 5656118), (10, 2828059), (13, 2175430), (26, 1087715), (65, 435086), (83, 340730), (130, 217543), (166, 170365), (415, 68146), (830, 34073), (1079, 26210), (2158, 13105), (2621, 10790), (5242, 5395)]