11721640120

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{301793}}^1$

素因数の和:302775

約数の個数: 32

約数和(自身を含む): 26400939120

約数和(自身を除く): 14679299000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 38840, 301793, 603586, 1207172, 1508965, 2414344, 3017930, 6035860, 12071720, 293041003, 586082006, 1172164012, 1465205015, 2344328024, 2930410030, 5860820060, 11721640120]

約数ペア:

[(1, 11721640120), (2, 5860820060), (4, 2930410030), (5, 2344328024), (8, 1465205015), (10, 1172164012), (20, 586082006), (40, 293041003), (971, 12071720), (1942, 6035860), (3884, 3017930), (4855, 2414344), (7768, 1508965), (9710, 1207172), (19420, 603586), (38840, 301793)]