26909000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 64022400

約数和(自身を除く): 37113400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 355, 379, 500, 568, 710, 758, 1000, 1420, 1516, 1775, 1895, 2840, 3032, 3550, 3790, 7100, 7580, 8875, 9475, 14200, 15160, 17750, 18950, 26909, 35500, 37900, 47375, 53818, 71000, 75800, 94750, 107636, 134545, 189500, 215272, 269090, 379000, 538180, 672725, 1076360, 1345450, 2690900, 3363625, 5381800, 6727250, 13454500, 26909000]

約数ペア:

[(1, 26909000), (2, 13454500), (4, 6727250), (5, 5381800), (8, 3363625), (10, 2690900), (20, 1345450), (25, 1076360), (40, 672725), (50, 538180), (71, 379000), (100, 269090), (125, 215272), (142, 189500), (200, 134545), (250, 107636), (284, 94750), (355, 75800), (379, 71000), (500, 53818), (568, 47375), (710, 37900), (758, 35500), (1000, 26909), (1420, 18950), (1516, 17750), (1775, 15160), (1895, 14200), (2840, 9475), (3032, 8875), (3550, 7580), (3790, 7100)]