27157780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 62375040

約数和(自身を除く): 35217260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1559, 1742, 3118, 3484, 4355, 6236, 7795, 8710, 15590, 17420, 20267, 31180, 40534, 81068, 101335, 104453, 202670, 208906, 405340, 417812, 522265, 1044530, 1357889, 2089060, 2715778, 5431556, 6789445, 13578890, 27157780]

約数ペア:

[(1, 27157780), (2, 13578890), (4, 6789445), (5, 5431556), (10, 2715778), (13, 2089060), (20, 1357889), (26, 1044530), (52, 522265), (65, 417812), (67, 405340), (130, 208906), (134, 202670), (260, 104453), (268, 101335), (335, 81068), (670, 40534), (871, 31180), (1340, 20267), (1559, 17420), (1742, 15590), (3118, 8710), (3484, 7795), (4355, 6236)]