85446920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164321}}^1$

素因数の和:164345

約数の個数: 32

約数和(自身を含む): 207045720

約数和(自身を除く): 121598800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 164321, 328642, 657284, 821605, 1314568, 1643210, 2136173, 3286420, 4272346, 6572840, 8544692, 10680865, 17089384, 21361730, 42723460, 85446920]

約数ペア:

[(1, 85446920), (2, 42723460), (4, 21361730), (5, 17089384), (8, 10680865), (10, 8544692), (13, 6572840), (20, 4272346), (26, 3286420), (40, 2136173), (52, 1643210), (65, 1314568), (104, 821605), (130, 657284), (260, 328642), (520, 164321)]