20899291250

素因数分解:

$2^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{315461}}^1$

素因数の和:315536

約数の個数: 40

約数和(自身を含む): 39912883164

約数和(自身を除く): 19013591914

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 625, 1250, 1325, 2650, 6625, 13250, 33125, 66250, 315461, 630922, 1577305, 3154610, 7886525, 15773050, 16719433, 33438866, 39432625, 78865250, 83597165, 167194330, 197163125, 394326250, 417985825, 835971650, 2089929125, 4179858250, 10449645625, 20899291250]

約数ペア:

[(1, 20899291250), (2, 10449645625), (5, 4179858250), (10, 2089929125), (25, 835971650), (50, 417985825), (53, 394326250), (106, 197163125), (125, 167194330), (250, 83597165), (265, 78865250), (530, 39432625), (625, 33438866), (1250, 16719433), (1325, 15773050), (2650, 7886525), (6625, 3154610), (13250, 1577305), (33125, 630922), (66250, 315461)]