61780940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237619}}^1$

素因数の和:237641

約数の個数: 24

約数和(自身を含む): 139720560

約数和(自身を除く): 77939620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 237619, 475238, 950476, 1188095, 2376190, 3089047, 4752380, 6178094, 12356188, 15445235, 30890470, 61780940]

約数ペア:

[(1, 61780940), (2, 30890470), (4, 15445235), (5, 12356188), (10, 6178094), (13, 4752380), (20, 3089047), (26, 2376190), (52, 1188095), (65, 950476), (130, 475238), (260, 237619)]