71001320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136541}}^1$

素因数の和:136565

約数の個数: 32

約数和(自身を含む): 172042920

約数和(自身を除く): 101041600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 136541, 273082, 546164, 682705, 1092328, 1365410, 1775033, 2730820, 3550066, 5461640, 7100132, 8875165, 14200264, 17750330, 35500660, 71001320]

約数ペア:

[(1, 71001320), (2, 35500660), (4, 17750330), (5, 14200264), (8, 8875165), (10, 7100132), (13, 5461640), (20, 3550066), (26, 2730820), (40, 1775033), (52, 1365410), (65, 1092328), (104, 682705), (130, 546164), (260, 273082), (520, 136541)]