12801100

素因数分解:

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

素因数の和:299

約数の個数: 72

約数和(自身を含む): 30744560

約数和(自身を除く): 17943460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 229, 260, 325, 430, 458, 559, 650, 860, 916, 1075, 1118, 1145, 1300, 2150, 2236, 2290, 2795, 2977, 4300, 4580, 5590, 5725, 5954, 9847, 11180, 11450, 11908, 13975, 14885, 19694, 22900, 27950, 29770, 39388, 49235, 55900, 59540, 74425, 98470, 128011, 148850, 196940, 246175, 256022, 297700, 492350, 512044, 640055, 984700, 1280110, 2560220, 3200275, 6400550, 12801100]

約数ペア:

[(1, 12801100), (2, 6400550), (4, 3200275), (5, 2560220), (10, 1280110), (13, 984700), (20, 640055), (25, 512044), (26, 492350), (43, 297700), (50, 256022), (52, 246175), (65, 196940), (86, 148850), (100, 128011), (130, 98470), (172, 74425), (215, 59540), (229, 55900), (260, 49235), (325, 39388), (430, 29770), (458, 27950), (559, 22900), (650, 19694), (860, 14885), (916, 13975), (1075, 11908), (1118, 11450), (1145, 11180), (1300, 9847), (2150, 5954), (2236, 5725), (2290, 5590), (2795, 4580), (2977, 4300)]