51358580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28219}}^1$

素因数の和:28248

約数の個数: 48

約数和(自身を含む): 132746880

約数和(自身を除く): 81388300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28219, 56438, 112876, 141095, 197533, 282190, 366847, 395066, 564380, 733694, 790132, 987665, 1467388, 1834235, 1975330, 2567929, 3668470, 3950660, 5135858, 7336940, 10271716, 12839645, 25679290, 51358580]

約数ペア:

[(1, 51358580), (2, 25679290), (4, 12839645), (5, 10271716), (7, 7336940), (10, 5135858), (13, 3950660), (14, 3668470), (20, 2567929), (26, 1975330), (28, 1834235), (35, 1467388), (52, 987665), (65, 790132), (70, 733694), (91, 564380), (130, 395066), (140, 366847), (182, 282190), (260, 197533), (364, 141095), (455, 112876), (910, 56438), (1820, 28219)]