26401720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17839}}^1$

素因数の和:17887

約数の個数: 32

約数和(自身を含む): 61012800

約数和(自身を除く): 34611080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 17839, 35678, 71356, 89195, 142712, 178390, 356780, 660043, 713560, 1320086, 2640172, 3300215, 5280344, 6600430, 13200860, 26401720]

約数ペア:

[(1, 26401720), (2, 13200860), (4, 6600430), (5, 5280344), (8, 3300215), (10, 2640172), (20, 1320086), (37, 713560), (40, 660043), (74, 356780), (148, 178390), (185, 142712), (296, 89195), (370, 71356), (740, 35678), (1480, 17839)]