79798940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306919}}^1$

素因数の和:306941

約数の個数: 24

約数和(自身を含む): 180468960

約数和(自身を除く): 100670020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306919, 613838, 1227676, 1534595, 3069190, 3989947, 6138380, 7979894, 15959788, 19949735, 39899470, 79798940]

約数ペア:

[(1, 79798940), (2, 39899470), (4, 19949735), (5, 15959788), (10, 7979894), (13, 6138380), (20, 3989947), (26, 3069190), (52, 1534595), (65, 1227676), (130, 613838), (260, 306919)]