29090000

素因数分解:

$2^4\times 5^4\times {\mathrm{2909}}^1$

素因数の和:2937

約数の個数: 50

約数和(自身を含む): 70454010

約数和(自身を除く): 41364010

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2909, 5000, 5818, 10000, 11636, 14545, 23272, 29090, 46544, 58180, 72725, 116360, 145450, 232720, 290900, 363625, 581800, 727250, 1163600, 1454500, 1818125, 2909000, 3636250, 5818000, 7272500, 14545000, 29090000]

約数ペア:

[(1, 29090000), (2, 14545000), (4, 7272500), (5, 5818000), (8, 3636250), (10, 2909000), (16, 1818125), (20, 1454500), (25, 1163600), (40, 727250), (50, 581800), (80, 363625), (100, 290900), (125, 232720), (200, 145450), (250, 116360), (400, 72725), (500, 58180), (625, 46544), (1000, 29090), (1250, 23272), (2000, 14545), (2500, 11636), (2909, 10000), (5000, 5818)]