80695550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124147}}^1$

素因数の和:124172

約数の個数: 24

約数和(自身を含む): 161640696

約数和(自身を除く): 80945146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124147, 248294, 620735, 1241470, 1613911, 3103675, 3227822, 6207350, 8069555, 16139110, 40347775, 80695550]

約数ペア:

[(1, 80695550), (2, 40347775), (5, 16139110), (10, 8069555), (13, 6207350), (25, 3227822), (26, 3103675), (50, 1613911), (65, 1241470), (130, 620735), (325, 248294), (650, 124147)]