51388540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19319}}^1$

素因数の和:19354

約数の個数: 48

約数和(自身を含む): 129830400

約数和(自身を除く): 78441860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19319, 38638, 77276, 96595, 135233, 193190, 270466, 367061, 386380, 540932, 676165, 734122, 1352330, 1468244, 1835305, 2569427, 2704660, 3670610, 5138854, 7341220, 10277708, 12847135, 25694270, 51388540]

約数ペア:

[(1, 51388540), (2, 25694270), (4, 12847135), (5, 10277708), (7, 7341220), (10, 5138854), (14, 3670610), (19, 2704660), (20, 2569427), (28, 1835305), (35, 1468244), (38, 1352330), (70, 734122), (76, 676165), (95, 540932), (133, 386380), (140, 367061), (190, 270466), (266, 193190), (380, 135233), (532, 96595), (665, 77276), (1330, 38638), (2660, 19319)]