80618512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 94870256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 71, 103, 104, 106, 142, 206, 208, 212, 284, 412, 424, 568, 689, 824, 848, 923, 1136, 1339, 1378, 1648, 1846, 2678, 2756, 3692, 3763, 5356, 5459, 5512, 7313, 7384, 7526, 10712, 10918, 11024, 14626, 14768, 15052, 21424, 21836, 29252, 30104, 43672, 48919, 58504, 60208, 70967, 87344, 95069, 97838, 117008, 141934, 190138, 195676, 283868, 380276, 387589, 391352, 567736, 760552, 775178, 782704, 1135472, 1521104, 1550356, 3100712, 5038657, 6201424, 10077314, 20154628, 40309256, 80618512]

約数ペア:

[(1, 80618512), (2, 40309256), (4, 20154628), (8, 10077314), (13, 6201424), (16, 5038657), (26, 3100712), (52, 1550356), (53, 1521104), (71, 1135472), (103, 782704), (104, 775178), (106, 760552), (142, 567736), (206, 391352), (208, 387589), (212, 380276), (284, 283868), (412, 195676), (424, 190138), (568, 141934), (689, 117008), (824, 97838), (848, 95069), (923, 87344), (1136, 70967), (1339, 60208), (1378, 58504), (1648, 48919), (1846, 43672), (2678, 30104), (2756, 29252), (3692, 21836), (3763, 21424), (5356, 15052), (5459, 14768), (5512, 14626), (7313, 11024), (7384, 10918), (7526, 10712)]