42123952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{202519}}^1$

素因数の和:202540

約数の個数: 20

約数和(自身を含む): 87893680

約数和(自身を除く): 45769728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 202519, 405038, 810076, 1620152, 2632747, 3240304, 5265494, 10530988, 21061976, 42123952]

約数ペア:

[(1, 42123952), (2, 21061976), (4, 10530988), (8, 5265494), (13, 3240304), (16, 2632747), (26, 1620152), (52, 810076), (104, 405038), (208, 202519)]