80458040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154727}}^1$

素因数の和:154751

約数の個数: 32

約数和(自身を含む): 194957280

約数和(自身を除く): 114499240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154727, 309454, 618908, 773635, 1237816, 1547270, 2011451, 3094540, 4022902, 6189080, 8045804, 10057255, 16091608, 20114510, 40229020, 80458040]

約数ペア:

[(1, 80458040), (2, 40229020), (4, 20114510), (5, 16091608), (8, 10057255), (10, 8045804), (13, 6189080), (20, 4022902), (26, 3094540), (40, 2011451), (52, 1547270), (65, 1237816), (104, 773635), (130, 618908), (260, 309454), (520, 154727)]