80121770

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{53773}}^1$

素因数の和:53929

約数の個数: 16

約数和(自身を含む): 145189800

約数和(自身を除く): 65068030

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 53773, 107546, 268865, 537730, 8012177, 16024354, 40060885, 80121770]

約数ペア:

[(1, 80121770), (2, 40060885), (5, 16024354), (10, 8012177), (149, 537730), (298, 268865), (745, 107546), (1490, 53773)]