67421380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 153221040

約数和(自身を除く): 85799660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1009, 1028, 1285, 2018, 2570, 3341, 4036, 5045, 5140, 6682, 10090, 13117, 13364, 16705, 20180, 26234, 33410, 52468, 65585, 66820, 131170, 259313, 262340, 518626, 1037252, 1296565, 2593130, 3371069, 5186260, 6742138, 13484276, 16855345, 33710690, 67421380]

約数ペア:

[(1, 67421380), (2, 33710690), (4, 16855345), (5, 13484276), (10, 6742138), (13, 5186260), (20, 3371069), (26, 2593130), (52, 1296565), (65, 1037252), (130, 518626), (257, 262340), (260, 259313), (514, 131170), (1009, 66820), (1028, 65585), (1285, 52468), (2018, 33410), (2570, 26234), (3341, 20180), (4036, 16705), (5045, 13364), (5140, 13117), (6682, 10090)]