51811480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9739}}^1$

素因数の和:9776

約数の個数: 64

約数和(自身を含む): 140256000

約数和(自身を除く): 88444520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 9739, 19478, 38956, 48695, 68173, 77912, 97390, 136346, 185041, 194780, 272692, 340865, 370082, 389560, 545384, 681730, 740164, 925205, 1295287, 1363460, 1480328, 1850410, 2590574, 2726920, 3700820, 5181148, 6476435, 7401640, 10362296, 12952870, 25905740, 51811480]

約数ペア:

[(1, 51811480), (2, 25905740), (4, 12952870), (5, 10362296), (7, 7401640), (8, 6476435), (10, 5181148), (14, 3700820), (19, 2726920), (20, 2590574), (28, 1850410), (35, 1480328), (38, 1363460), (40, 1295287), (56, 925205), (70, 740164), (76, 681730), (95, 545384), (133, 389560), (140, 370082), (152, 340865), (190, 272692), (266, 194780), (280, 185041), (380, 136346), (532, 97390), (665, 77912), (760, 68173), (1064, 48695), (1330, 38956), (2660, 19478), (5320, 9739)]