72268040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138977}}^1$

素因数の和:139001

約数の個数: 32

約数和(自身を含む): 175112280

約数和(自身を除く): 102844240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138977, 277954, 555908, 694885, 1111816, 1389770, 1806701, 2779540, 3613402, 5559080, 7226804, 9033505, 14453608, 18067010, 36134020, 72268040]

約数ペア:

[(1, 72268040), (2, 36134020), (4, 18067010), (5, 14453608), (8, 9033505), (10, 7226804), (13, 5559080), (20, 3613402), (26, 2779540), (40, 1806701), (52, 1389770), (65, 1111816), (104, 694885), (130, 555908), (260, 277954), (520, 138977)]