51242000

素因数分解:

$2^4\times 5^3\times {\mathrm{25621}}^1$

素因数の和:25644

約数の個数: 40

約数和(自身を含む): 123907992

約数和(自身を除く): 72665992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 512420, 640525, 1024840, 1281050, 2049680, 2562100, 3202625, 5124200, 6405250, 10248400, 12810500, 25621000, 51242000]

約数ペア:

[(1, 51242000), (2, 25621000), (4, 12810500), (5, 10248400), (8, 6405250), (10, 5124200), (16, 3202625), (20, 2562100), (25, 2049680), (40, 1281050), (50, 1024840), (80, 640525), (100, 512420), (125, 409936), (200, 256210), (250, 204968), (400, 128105), (500, 102484), (1000, 51242), (2000, 25621)]