8290000

素因数分解:

$2^4\times 5^4\times {\mathrm{829}}^1$

素因数の和:857

約数の個数: 50

約数和(自身を含む): 20095130

約数和(自身を除く): 11805130

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 829, 1000, 1250, 1658, 2000, 2500, 3316, 4145, 5000, 6632, 8290, 10000, 13264, 16580, 20725, 33160, 41450, 66320, 82900, 103625, 165800, 207250, 331600, 414500, 518125, 829000, 1036250, 1658000, 2072500, 4145000, 8290000]

約数ペア:

[(1, 8290000), (2, 4145000), (4, 2072500), (5, 1658000), (8, 1036250), (10, 829000), (16, 518125), (20, 414500), (25, 331600), (40, 207250), (50, 165800), (80, 103625), (100, 82900), (125, 66320), (200, 41450), (250, 33160), (400, 20725), (500, 16580), (625, 13264), (829, 10000), (1000, 8290), (1250, 6632), (1658, 5000), (2000, 4145), (2500, 3316)]