49570000

素因数分解:

$2^4\times 5^4\times {\mathrm{4957}}^1$

素因数の和:4985

約数の個数: 50

約数和(自身を含む): 120038138

約数和(自身を除く): 70468138

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, 4957, 5000, 9914, 10000, 19828, 24785, 39656, 49570, 79312, 99140, 123925, 198280, 247850, 396560, 495700, 619625, 991400, 1239250, 1982800, 2478500, 3098125, 4957000, 6196250, 9914000, 12392500, 24785000, 49570000]

約数ペア:

[(1, 49570000), (2, 24785000), (4, 12392500), (5, 9914000), (8, 6196250), (10, 4957000), (16, 3098125), (20, 2478500), (25, 1982800), (40, 1239250), (50, 991400), (80, 619625), (100, 495700), (125, 396560), (200, 247850), (250, 198280), (400, 123925), (500, 99140), (625, 79312), (1000, 49570), (1250, 39656), (2000, 24785), (2500, 19828), (4957, 10000), (5000, 9914)]