80402205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21701}}^1$

素因数の和:21741

約数の個数: 32

約数和(自身を含む): 145837440

約数和(自身を除く): 65435235

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21701, 65103, 108505, 282113, 325515, 412319, 846339, 1236957, 1410565, 2061595, 4231695, 5360147, 6184785, 16080441, 26800735, 80402205]

約数ペア:

[(1, 80402205), (3, 26800735), (5, 16080441), (13, 6184785), (15, 5360147), (19, 4231695), (39, 2061595), (57, 1410565), (65, 1236957), (95, 846339), (195, 412319), (247, 325515), (285, 282113), (741, 108505), (1235, 65103), (3705, 21701)]