3195255640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1309531}}^1$

素因数の和:1309603

約数の個数: 32

約数和(自身を含む): 7307188560

約数和(自身を除く): 4111932920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 1309531, 2619062, 5238124, 6547655, 10476248, 13095310, 26190620, 52381240, 79881391, 159762782, 319525564, 399406955, 639051128, 798813910, 1597627820, 3195255640]

約数ペア:

[(1, 3195255640), (2, 1597627820), (4, 798813910), (5, 639051128), (8, 399406955), (10, 319525564), (20, 159762782), (40, 79881391), (61, 52381240), (122, 26190620), (244, 13095310), (305, 10476248), (488, 6547655), (610, 5238124), (1220, 2619062), (2440, 1309531)]