51156740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 68593660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 7919, 15838, 31676, 39595, 79190, 134623, 150461, 158380, 269246, 300922, 538492, 601844, 673115, 752305, 1346230, 1504610, 2557837, 2692460, 3009220, 5115674, 10231348, 12789185, 25578370, 51156740]

約数ペア:

[(1, 51156740), (2, 25578370), (4, 12789185), (5, 10231348), (10, 5115674), (17, 3009220), (19, 2692460), (20, 2557837), (34, 1504610), (38, 1346230), (68, 752305), (76, 673115), (85, 601844), (95, 538492), (170, 300922), (190, 269246), (323, 158380), (340, 150461), (380, 134623), (646, 79190), (1292, 39595), (1615, 31676), (3230, 15838), (6460, 7919)]