6400550

素因数分解:

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

素因数の和:297

約数の個数: 48

約数和(自身を含む): 13176240

約数和(自身を除く): 6775690

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 229, 325, 430, 458, 559, 650, 1075, 1118, 1145, 2150, 2290, 2795, 2977, 5590, 5725, 5954, 9847, 11450, 13975, 14885, 19694, 27950, 29770, 49235, 74425, 98470, 128011, 148850, 246175, 256022, 492350, 640055, 1280110, 3200275, 6400550]

約数ペア:

[(1, 6400550), (2, 3200275), (5, 1280110), (10, 640055), (13, 492350), (25, 256022), (26, 246175), (43, 148850), (50, 128011), (65, 98470), (86, 74425), (130, 49235), (215, 29770), (229, 27950), (325, 19694), (430, 14885), (458, 13975), (559, 11450), (650, 9847), (1075, 5954), (1118, 5725), (1145, 5590), (2150, 2977), (2290, 2795)]