26660420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4172

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 35754940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4127, 6460, 8254, 16508, 20635, 41270, 70159, 78413, 82540, 140318, 156826, 280636, 313652, 350795, 392065, 701590, 784130, 1333021, 1403180, 1568260, 2666042, 5332084, 6665105, 13330210, 26660420]

約数ペア:

[(1, 26660420), (2, 13330210), (4, 6665105), (5, 5332084), (10, 2666042), (17, 1568260), (19, 1403180), (20, 1333021), (34, 784130), (38, 701590), (68, 392065), (76, 350795), (85, 313652), (95, 280636), (170, 156826), (190, 140318), (323, 82540), (340, 78413), (380, 70159), (646, 41270), (1292, 20635), (1615, 16508), (3230, 8254), (4127, 6460)]