51080720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17257}}^1$

素因数の和:17307

約数の個数: 40

約数和(自身を含む): 121979544

約数和(自身を除く): 70898824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 17257, 34514, 69028, 86285, 138056, 172570, 276112, 345140, 638509, 690280, 1277018, 1380560, 2554036, 3192545, 5108072, 6385090, 10216144, 12770180, 25540360, 51080720]

約数ペア:

[(1, 51080720), (2, 25540360), (4, 12770180), (5, 10216144), (8, 6385090), (10, 5108072), (16, 3192545), (20, 2554036), (37, 1380560), (40, 1277018), (74, 690280), (80, 638509), (148, 345140), (185, 276112), (296, 172570), (370, 138056), (592, 86285), (740, 69028), (1480, 34514), (2960, 17257)]