28046320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 69138432

約数和(自身を除く): 41092112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 263, 310, 344, 430, 496, 526, 620, 688, 860, 1052, 1240, 1315, 1333, 1720, 2104, 2480, 2630, 2666, 3440, 4208, 5260, 5332, 6665, 8153, 10520, 10664, 11309, 13330, 16306, 21040, 21328, 22618, 26660, 32612, 40765, 45236, 53320, 56545, 65224, 81530, 90472, 106640, 113090, 130448, 163060, 180944, 226180, 326120, 350579, 452360, 652240, 701158, 904720, 1402316, 1752895, 2804632, 3505790, 5609264, 7011580, 14023160, 28046320]

約数ペア:

[(1, 28046320), (2, 14023160), (4, 7011580), (5, 5609264), (8, 3505790), (10, 2804632), (16, 1752895), (20, 1402316), (31, 904720), (40, 701158), (43, 652240), (62, 452360), (80, 350579), (86, 326120), (124, 226180), (155, 180944), (172, 163060), (215, 130448), (248, 113090), (263, 106640), (310, 90472), (344, 81530), (430, 65224), (496, 56545), (526, 53320), (620, 45236), (688, 40765), (860, 32612), (1052, 26660), (1240, 22618), (1315, 21328), (1333, 21040), (1720, 16306), (2104, 13330), (2480, 11309), (2630, 10664), (2666, 10520), (3440, 8153), (4208, 6665), (5260, 5332)]