80703870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206933}}^1$

素因数の和:206956

約数の個数: 32

約数和(自身を含む): 208589472

約数和(自身を除く): 127885602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 206933, 413866, 620799, 1034665, 1241598, 2069330, 2690129, 3103995, 5380258, 6207990, 8070387, 13450645, 16140774, 26901290, 40351935, 80703870]

約数ペア:

[(1, 80703870), (2, 40351935), (3, 26901290), (5, 16140774), (6, 13450645), (10, 8070387), (13, 6207990), (15, 5380258), (26, 3103995), (30, 2690129), (39, 2069330), (65, 1241598), (78, 1034665), (130, 620799), (195, 413866), (390, 206933)]