42530000

素因数分解:

$2^4\times 5^4\times {\mathrm{4253}}^1$

素因数の和:4281

約数の個数: 50

約数和(自身を含む): 102993594

約数和(自身を除く): 60463594

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, 4253, 5000, 8506, 10000, 17012, 21265, 34024, 42530, 68048, 85060, 106325, 170120, 212650, 340240, 425300, 531625, 850600, 1063250, 1701200, 2126500, 2658125, 4253000, 5316250, 8506000, 10632500, 21265000, 42530000]

約数ペア:

[(1, 42530000), (2, 21265000), (4, 10632500), (5, 8506000), (8, 5316250), (10, 4253000), (16, 2658125), (20, 2126500), (25, 1701200), (40, 1063250), (50, 850600), (80, 531625), (100, 425300), (125, 340240), (200, 212650), (250, 170120), (400, 106325), (500, 85060), (625, 68048), (1000, 42530), (1250, 34024), (2000, 21265), (2500, 17012), (4253, 10000), (5000, 8506)]