25619840

素因数分解:

$2^7\times 5^1\times {\mathrm{40031}}^1$

素因数の和:40050

約数の個数: 32

約数和(自身を含む): 61248960

約数和(自身を除く): 35629120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40031, 80062, 160124, 200155, 320248, 400310, 640496, 800620, 1280992, 1601240, 2561984, 3202480, 5123968, 6404960, 12809920, 25619840]

約数ペア:

[(1, 25619840), (2, 12809920), (4, 6404960), (5, 5123968), (8, 3202480), (10, 2561984), (16, 1601240), (20, 1280992), (32, 800620), (40, 640496), (64, 400310), (80, 320248), (128, 200155), (160, 160124), (320, 80062), (640, 40031)]