56512820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31051}}^1$

素因数の和:31080

約数の個数: 48

約数和(自身を含む): 146068608

約数和(自身を除く): 89555788

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, 31051, 62102, 124204, 155255, 217357, 310510, 403663, 434714, 621020, 807326, 869428, 1086785, 1614652, 2018315, 2173570, 2825641, 4036630, 4347140, 5651282, 8073260, 11302564, 14128205, 28256410, 56512820]

約数ペア:

[(1, 56512820), (2, 28256410), (4, 14128205), (5, 11302564), (7, 8073260), (10, 5651282), (13, 4347140), (14, 4036630), (20, 2825641), (26, 2173570), (28, 2018315), (35, 1614652), (52, 1086785), (65, 869428), (70, 807326), (91, 621020), (130, 434714), (140, 403663), (182, 310510), (260, 217357), (364, 155255), (455, 124204), (910, 62102), (1820, 31051)]