55121480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 132762240

約数和(自身を除く): 77640760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 680, 787, 824, 1030, 1574, 1751, 2060, 3148, 3502, 3935, 4120, 6296, 7004, 7870, 8755, 13379, 14008, 15740, 17510, 26758, 31480, 35020, 53516, 66895, 70040, 81061, 107032, 133790, 162122, 267580, 324244, 405305, 535160, 648488, 810610, 1378037, 1621220, 2756074, 3242440, 5512148, 6890185, 11024296, 13780370, 27560740, 55121480]

約数ペア:

[(1, 55121480), (2, 27560740), (4, 13780370), (5, 11024296), (8, 6890185), (10, 5512148), (17, 3242440), (20, 2756074), (34, 1621220), (40, 1378037), (68, 810610), (85, 648488), (103, 535160), (136, 405305), (170, 324244), (206, 267580), (340, 162122), (412, 133790), (515, 107032), (680, 81061), (787, 70040), (824, 66895), (1030, 53516), (1574, 35020), (1751, 31480), (2060, 26758), (3148, 17510), (3502, 15740), (3935, 14008), (4120, 13379), (6296, 8755), (7004, 7870)]