82125440

素因数分解:

$2^7\times 5^1\times {\mathrm{128321}}^1$

素因数の和:128340

約数の個数: 32

約数和(自身を含む): 196332660

約数和(自身を除く): 114207220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128321, 256642, 513284, 641605, 1026568, 1283210, 2053136, 2566420, 4106272, 5132840, 8212544, 10265680, 16425088, 20531360, 41062720, 82125440]

約数ペア:

[(1, 82125440), (2, 41062720), (4, 20531360), (5, 16425088), (8, 10265680), (10, 8212544), (16, 5132840), (20, 4106272), (32, 2566420), (40, 2053136), (64, 1283210), (80, 1026568), (128, 641605), (160, 513284), (320, 256642), (640, 128321)]