52897840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 127491840

約数和(自身を除く): 74594000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 134, 139, 142, 268, 278, 284, 335, 355, 536, 556, 568, 670, 695, 710, 1072, 1112, 1136, 1340, 1390, 1420, 2224, 2680, 2780, 2840, 4757, 5360, 5560, 5680, 9313, 9514, 9869, 11120, 18626, 19028, 19738, 23785, 37252, 38056, 39476, 46565, 47570, 49345, 74504, 76112, 78952, 93130, 95140, 98690, 149008, 157904, 186260, 190280, 197380, 372520, 380560, 394760, 661223, 745040, 789520, 1322446, 2644892, 3306115, 5289784, 6612230, 10579568, 13224460, 26448920, 52897840]

約数ペア:

[(1, 52897840), (2, 26448920), (4, 13224460), (5, 10579568), (8, 6612230), (10, 5289784), (16, 3306115), (20, 2644892), (40, 1322446), (67, 789520), (71, 745040), (80, 661223), (134, 394760), (139, 380560), (142, 372520), (268, 197380), (278, 190280), (284, 186260), (335, 157904), (355, 149008), (536, 98690), (556, 95140), (568, 93130), (670, 78952), (695, 76112), (710, 74504), (1072, 49345), (1112, 47570), (1136, 46565), (1340, 39476), (1390, 38056), (1420, 37252), (2224, 23785), (2680, 19738), (2780, 19028), (2840, 18626), (4757, 11120), (5360, 9869), (5560, 9514), (5680, 9313)]