26628880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17519}}^1$

素因数の和:17551

約数の個数: 40

約数和(自身を含む): 65174400

約数和(自身を除く): 38545520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 17519, 35038, 70076, 87595, 140152, 175190, 280304, 332861, 350380, 665722, 700760, 1331444, 1401520, 1664305, 2662888, 3328610, 5325776, 6657220, 13314440, 26628880]

約数ペア:

[(1, 26628880), (2, 13314440), (4, 6657220), (5, 5325776), (8, 3328610), (10, 2662888), (16, 1664305), (19, 1401520), (20, 1331444), (38, 700760), (40, 665722), (76, 350380), (80, 332861), (95, 280304), (152, 175190), (190, 140152), (304, 87595), (380, 70076), (760, 35038), (1520, 17519)]