780017820875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{749927}}^1$

素因数の和:750152

約数の個数: 32

約数和(自身を含む): 998148168576

約数和(自身を除く): 218130347701

約数列:

[1, 5, 25, 53, 125, 157, 265, 785, 1325, 3925, 6625, 8321, 19625, 41605, 208025, 749927, 1040125, 3749635, 18748175, 39746131, 93740875, 117738539, 198730655, 588692695, 993653275, 2943463475, 4968266375, 6240142567, 14717317375, 31200712835, 156003564175, 780017820875]

約数ペア:

[(1, 780017820875), (5, 156003564175), (25, 31200712835), (53, 14717317375), (125, 6240142567), (157, 4968266375), (265, 2943463475), (785, 993653275), (1325, 588692695), (3925, 198730655), (6625, 117738539), (8321, 93740875), (19625, 39746131), (41605, 18748175), (208025, 3749635), (749927, 1040125)]