1280110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 2550240

約数和(自身を除く): 1270130

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 229, 430, 458, 559, 1118, 1145, 2290, 2795, 2977, 5590, 5954, 9847, 14885, 19694, 29770, 49235, 98470, 128011, 256022, 640055, 1280110]

約数ペア:

[(1, 1280110), (2, 640055), (5, 256022), (10, 128011), (13, 98470), (26, 49235), (43, 29770), (65, 19694), (86, 14885), (130, 9847), (215, 5954), (229, 5590), (430, 2977), (458, 2795), (559, 2290), (1118, 1145)]