78256480

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13219}}^1$

素因数の和:13271

約数の個数: 48

約数和(自身を含む): 189892080

約数和(自身を除く): 111635600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 264380, 423008, 489103, 528760, 978206, 1057520, 1956412, 2115040, 2445515, 3912824, 4891030, 7825648, 9782060, 15651296, 19564120, 39128240, 78256480]

約数ペア:

[(1, 78256480), (2, 39128240), (4, 19564120), (5, 15651296), (8, 9782060), (10, 7825648), (16, 4891030), (20, 3912824), (32, 2445515), (37, 2115040), (40, 1956412), (74, 1057520), (80, 978206), (148, 528760), (160, 489103), (185, 423008), (296, 264380), (370, 211504), (592, 132190), (740, 105752), (1184, 66095), (1480, 52876), (2960, 26438), (5920, 13219)]