5242000

素因数分解:

$2^4\times 5^3\times {\mathrm{2621}}^1$

素因数の和:2644

約数の個数: 40

約数和(自身を含む): 12679992

約数和(自身を除く): 7437992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2621, 5242, 10484, 13105, 20968, 26210, 41936, 52420, 65525, 104840, 131050, 209680, 262100, 327625, 524200, 655250, 1048400, 1310500, 2621000, 5242000]

約数ペア:

[(1, 5242000), (2, 2621000), (4, 1310500), (5, 1048400), (8, 655250), (10, 524200), (16, 327625), (20, 262100), (25, 209680), (40, 131050), (50, 104840), (80, 65525), (100, 52420), (125, 41936), (200, 26210), (250, 20968), (400, 13105), (500, 10484), (1000, 5242), (2000, 2621)]