61480880

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1879}}^1$

素因数の和:2301

約数の個数: 40

約数和(自身を含む): 143368800

約数和(自身を除く): 81887920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 1879, 2045, 3272, 3758, 4090, 6544, 7516, 8180, 9395, 15032, 16360, 18790, 30064, 32720, 37580, 75160, 150320, 768511, 1537022, 3074044, 3842555, 6148088, 7685110, 12296176, 15370220, 30740440, 61480880]

約数ペア:

[(1, 61480880), (2, 30740440), (4, 15370220), (5, 12296176), (8, 7685110), (10, 6148088), (16, 3842555), (20, 3074044), (40, 1537022), (80, 768511), (409, 150320), (818, 75160), (1636, 37580), (1879, 32720), (2045, 30064), (3272, 18790), (3758, 16360), (4090, 15032), (6544, 9395), (7516, 8180)]