51904840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99817}}^1$

素因数の和:99841

約数の個数: 32

約数和(自身を含む): 125770680

約数和(自身を除く): 73865840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99817, 199634, 399268, 499085, 798536, 998170, 1297621, 1996340, 2595242, 3992680, 5190484, 6488105, 10380968, 12976210, 25952420, 51904840]

約数ペア:

[(1, 51904840), (2, 25952420), (4, 12976210), (5, 10380968), (8, 6488105), (10, 5190484), (13, 3992680), (20, 2595242), (26, 1996340), (40, 1297621), (52, 998170), (65, 798536), (104, 499085), (130, 399268), (260, 199634), (520, 99817)]