51401840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4870

約数の個数: 80

約数和(自身を含む): 143800320

約数和(自身を除く): 92398480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 4831, 5320, 9662, 10640, 19324, 24155, 33817, 38648, 48310, 67634, 77296, 91789, 96620, 135268, 169085, 183578, 193240, 270536, 338170, 367156, 386480, 458945, 541072, 642523, 676340, 734312, 917890, 1285046, 1352680, 1468624, 1835780, 2570092, 2705360, 3212615, 3671560, 5140184, 6425230, 7343120, 10280368, 12850460, 25700920, 51401840]

約数ペア:

[(1, 51401840), (2, 25700920), (4, 12850460), (5, 10280368), (7, 7343120), (8, 6425230), (10, 5140184), (14, 3671560), (16, 3212615), (19, 2705360), (20, 2570092), (28, 1835780), (35, 1468624), (38, 1352680), (40, 1285046), (56, 917890), (70, 734312), (76, 676340), (80, 642523), (95, 541072), (112, 458945), (133, 386480), (140, 367156), (152, 338170), (190, 270536), (266, 193240), (280, 183578), (304, 169085), (380, 135268), (532, 96620), (560, 91789), (665, 77296), (760, 67634), (1064, 48310), (1330, 38648), (1520, 33817), (2128, 24155), (2660, 19324), (4831, 10640), (5320, 9662)]