85870305980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{551653}}^1$

素因数の和:551886

約数の個数: 48

約数和(自身を含む): 185541099744

約数和(自身を除く): 99670793764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1810, 3620, 7783, 15566, 31132, 38915, 77830, 155660, 551653, 1103306, 2206612, 2758265, 5516530, 11033060, 23721079, 47442158, 94884316, 99849193, 118605395, 199698386, 237210790, 399396772, 474421580, 499245965, 998491930, 1996983860, 4293515299, 8587030598, 17174061196, 21467576495, 42935152990, 85870305980]

約数ペア:

[(1, 85870305980), (2, 42935152990), (4, 21467576495), (5, 17174061196), (10, 8587030598), (20, 4293515299), (43, 1996983860), (86, 998491930), (172, 499245965), (181, 474421580), (215, 399396772), (362, 237210790), (430, 199698386), (724, 118605395), (860, 99849193), (905, 94884316), (1810, 47442158), (3620, 23721079), (7783, 11033060), (15566, 5516530), (31132, 2758265), (38915, 2206612), (77830, 1103306), (155660, 551653)]