65608520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 156600000

約数和(自身を除く): 90991480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 499, 692, 760, 865, 998, 1384, 1730, 1996, 2495, 3287, 3460, 3992, 4990, 6574, 6920, 9481, 9980, 13148, 16435, 18962, 19960, 26296, 32870, 37924, 47405, 65740, 75848, 86327, 94810, 131480, 172654, 189620, 345308, 379240, 431635, 690616, 863270, 1640213, 1726540, 3280426, 3453080, 6560852, 8201065, 13121704, 16402130, 32804260, 65608520]

約数ペア:

[(1, 65608520), (2, 32804260), (4, 16402130), (5, 13121704), (8, 8201065), (10, 6560852), (19, 3453080), (20, 3280426), (38, 1726540), (40, 1640213), (76, 863270), (95, 690616), (152, 431635), (173, 379240), (190, 345308), (346, 189620), (380, 172654), (499, 131480), (692, 94810), (760, 86327), (865, 75848), (998, 65740), (1384, 47405), (1730, 37924), (1996, 32870), (2495, 26296), (3287, 19960), (3460, 18962), (3992, 16435), (4990, 13148), (6574, 9980), (6920, 9481)]