30605000

素因数分解:

$2^3\times 5^4\times {\mathrm{6121}}^1$

素因数の和:6147

約数の個数: 40

約数和(自身を含む): 71719230

約数和(自身を除く): 41114230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6121, 12242, 24484, 30605, 48968, 61210, 122420, 153025, 244840, 306050, 612100, 765125, 1224200, 1530250, 3060500, 3825625, 6121000, 7651250, 15302500, 30605000]

約数ペア:

[(1, 30605000), (2, 15302500), (4, 7651250), (5, 6121000), (8, 3825625), (10, 3060500), (20, 1530250), (25, 1224200), (40, 765125), (50, 612100), (100, 306050), (125, 244840), (200, 153025), (250, 122420), (500, 61210), (625, 48968), (1000, 30605), (1250, 24484), (2500, 12242), (5000, 6121)]