26506940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21727}}^1$

素因数の和:21797

約数の個数: 24

約数和(自身を含む): 56579712

約数和(自身を除く): 30072772

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21727, 43454, 86908, 108635, 217270, 434540, 1325347, 2650694, 5301388, 6626735, 13253470, 26506940]

約数ペア:

[(1, 26506940), (2, 13253470), (4, 6626735), (5, 5301388), (10, 2650694), (20, 1325347), (61, 434540), (122, 217270), (244, 108635), (305, 86908), (610, 43454), (1220, 21727)]