6543220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 14736960

約数和(自身を除く): 8193740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 257, 268, 335, 380, 514, 670, 1028, 1273, 1285, 1340, 2546, 2570, 4883, 5092, 5140, 6365, 9766, 12730, 17219, 19532, 24415, 25460, 34438, 48830, 68876, 86095, 97660, 172190, 327161, 344380, 654322, 1308644, 1635805, 3271610, 6543220]

約数ペア:

[(1, 6543220), (2, 3271610), (4, 1635805), (5, 1308644), (10, 654322), (19, 344380), (20, 327161), (38, 172190), (67, 97660), (76, 86095), (95, 68876), (134, 48830), (190, 34438), (257, 25460), (268, 24415), (335, 19532), (380, 17219), (514, 12730), (670, 9766), (1028, 6365), (1273, 5140), (1285, 5092), (1340, 4883), (2546, 2570)]