42658720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20537

約数の個数: 48

約数和(自身を含む): 108538920

約数和(自身を除く): 65880200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20509, 41018, 82036, 102545, 164072, 205090, 266617, 328144, 410180, 533234, 656288, 820360, 1066468, 1333085, 1640720, 2132936, 2666170, 3281440, 4265872, 5332340, 8531744, 10664680, 21329360, 42658720]

約数ペア:

[(1, 42658720), (2, 21329360), (4, 10664680), (5, 8531744), (8, 5332340), (10, 4265872), (13, 3281440), (16, 2666170), (20, 2132936), (26, 1640720), (32, 1333085), (40, 1066468), (52, 820360), (65, 656288), (80, 533234), (104, 410180), (130, 328144), (160, 266617), (208, 205090), (260, 164072), (416, 102545), (520, 82036), (1040, 41018), (2080, 20509)]