28802080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10589}}^1$

素因数の和:10621

約数の個数: 48

約数和(自身を含む): 72054360

約数和(自身を除く): 43252280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10589, 21178, 42356, 52945, 84712, 105890, 169424, 180013, 211780, 338848, 360026, 423560, 720052, 847120, 900065, 1440104, 1694240, 1800130, 2880208, 3600260, 5760416, 7200520, 14401040, 28802080]

約数ペア:

[(1, 28802080), (2, 14401040), (4, 7200520), (5, 5760416), (8, 3600260), (10, 2880208), (16, 1800130), (17, 1694240), (20, 1440104), (32, 900065), (34, 847120), (40, 720052), (68, 423560), (80, 360026), (85, 338848), (136, 211780), (160, 180013), (170, 169424), (272, 105890), (340, 84712), (544, 52945), (680, 42356), (1360, 21178), (2720, 10589)]