51522380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28309}}^1$

素因数の和:28338

約数の個数: 48

約数和(自身を含む): 133170240

約数和(自身を除く): 81647860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28309, 56618, 113236, 141545, 198163, 283090, 368017, 396326, 566180, 736034, 792652, 990815, 1472068, 1840085, 1981630, 2576119, 3680170, 3963260, 5152238, 7360340, 10304476, 12880595, 25761190, 51522380]

約数ペア:

[(1, 51522380), (2, 25761190), (4, 12880595), (5, 10304476), (7, 7360340), (10, 5152238), (13, 3963260), (14, 3680170), (20, 2576119), (26, 1981630), (28, 1840085), (35, 1472068), (52, 990815), (65, 792652), (70, 736034), (91, 566180), (130, 396326), (140, 368017), (182, 283090), (260, 198163), (364, 141545), (455, 113236), (910, 56618), (1820, 28309)]