51585280

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 124798464

約数和(自身を除く): 73213184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 211, 256, 320, 382, 422, 640, 764, 844, 955, 1055, 1280, 1528, 1688, 1910, 2110, 3056, 3376, 3820, 4220, 6112, 6752, 7640, 8440, 12224, 13504, 15280, 16880, 24448, 27008, 30560, 33760, 40301, 48896, 54016, 61120, 67520, 80602, 122240, 135040, 161204, 201505, 244480, 270080, 322408, 403010, 644816, 806020, 1289632, 1612040, 2579264, 3224080, 5158528, 6448160, 10317056, 12896320, 25792640, 51585280]

約数ペア:

[(1, 51585280), (2, 25792640), (4, 12896320), (5, 10317056), (8, 6448160), (10, 5158528), (16, 3224080), (20, 2579264), (32, 1612040), (40, 1289632), (64, 806020), (80, 644816), (128, 403010), (160, 322408), (191, 270080), (211, 244480), (256, 201505), (320, 161204), (382, 135040), (422, 122240), (640, 80602), (764, 67520), (844, 61120), (955, 54016), (1055, 48896), (1280, 40301), (1528, 33760), (1688, 30560), (1910, 27008), (2110, 24448), (3056, 16880), (3376, 15280), (3820, 13504), (4220, 12224), (6112, 8440), (6752, 7640)]