204028240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196181}}^1$

素因数の和:196207

約数の個数: 40

約数和(自身を含む): 510857928

約数和(自身を除く): 306829688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 196181, 392362, 784724, 980905, 1569448, 1961810, 2550353, 3138896, 3923620, 5100706, 7847240, 10201412, 12751765, 15694480, 20402824, 25503530, 40805648, 51007060, 102014120, 204028240]

約数ペア:

[(1, 204028240), (2, 102014120), (4, 51007060), (5, 40805648), (8, 25503530), (10, 20402824), (13, 15694480), (16, 12751765), (20, 10201412), (26, 7847240), (40, 5100706), (52, 3923620), (65, 3138896), (80, 2550353), (104, 1961810), (130, 1569448), (208, 980905), (260, 784724), (520, 392362), (1040, 196181)]