260005655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 390536640

約数和(自身を除く): 130530985

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 169, 389, 455, 565, 791, 845, 1183, 1469, 1945, 2723, 3955, 5057, 5915, 7345, 10283, 13615, 19097, 25285, 35399, 43957, 51415, 65741, 95485, 133679, 176995, 219785, 307699, 328705, 460187, 571441, 668395, 1538495, 2300935, 2857205, 4000087, 7428733, 20000435, 37143665, 52001131, 260005655]

約数ペア:

[(1, 260005655), (5, 52001131), (7, 37143665), (13, 20000435), (35, 7428733), (65, 4000087), (91, 2857205), (113, 2300935), (169, 1538495), (389, 668395), (455, 571441), (565, 460187), (791, 328705), (845, 307699), (1183, 219785), (1469, 176995), (1945, 133679), (2723, 95485), (3955, 65741), (5057, 51415), (5915, 43957), (7345, 35399), (10283, 25285), (13615, 19097)]