13542440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 32572800

約数和(自身を除く): 19030360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 173, 190, 206, 346, 380, 412, 515, 692, 760, 824, 865, 1030, 1384, 1730, 1957, 2060, 3287, 3460, 3914, 4120, 6574, 6920, 7828, 9785, 13148, 15656, 16435, 17819, 19570, 26296, 32870, 35638, 39140, 65740, 71276, 78280, 89095, 131480, 142552, 178190, 338561, 356380, 677122, 712760, 1354244, 1692805, 2708488, 3385610, 6771220, 13542440]

約数ペア:

[(1, 13542440), (2, 6771220), (4, 3385610), (5, 2708488), (8, 1692805), (10, 1354244), (19, 712760), (20, 677122), (38, 356380), (40, 338561), (76, 178190), (95, 142552), (103, 131480), (152, 89095), (173, 78280), (190, 71276), (206, 65740), (346, 39140), (380, 35638), (412, 32870), (515, 26296), (692, 19570), (760, 17819), (824, 16435), (865, 15656), (1030, 13148), (1384, 9785), (1730, 7828), (1957, 6920), (2060, 6574), (3287, 4120), (3460, 3914)]