80472990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206341}}^1$

素因数の和:206364

約数の個数: 32

約数和(自身を含む): 207992736

約数和(自身を除く): 127519746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 206341, 412682, 619023, 1031705, 1238046, 2063410, 2682433, 3095115, 5364866, 6190230, 8047299, 13412165, 16094598, 26824330, 40236495, 80472990]

約数ペア:

[(1, 80472990), (2, 40236495), (3, 26824330), (5, 16094598), (6, 13412165), (10, 8047299), (13, 6190230), (15, 5364866), (26, 3095115), (30, 2682433), (39, 2063410), (65, 1238046), (78, 1031705), (130, 619023), (195, 412682), (390, 206341)]