205080640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17321}}^1$

素因数の和:17375

約数の個数: 56

約数和(自身を含む): 501575832

約数和(自身を除く): 296495192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 11840, 17321, 34642, 69284, 86605, 138568, 173210, 277136, 346420, 554272, 640877, 692840, 1108544, 1281754, 1385680, 2563508, 2771360, 3204385, 5127016, 5542720, 6408770, 10254032, 12817540, 20508064, 25635080, 41016128, 51270160, 102540320, 205080640]

約数ペア:

[(1, 205080640), (2, 102540320), (4, 51270160), (5, 41016128), (8, 25635080), (10, 20508064), (16, 12817540), (20, 10254032), (32, 6408770), (37, 5542720), (40, 5127016), (64, 3204385), (74, 2771360), (80, 2563508), (148, 1385680), (160, 1281754), (185, 1108544), (296, 692840), (320, 640877), (370, 554272), (592, 346420), (740, 277136), (1184, 173210), (1480, 138568), (2368, 86605), (2960, 69284), (5920, 34642), (11840, 17321)]