25485440

素因数分解:

$2^7\times 5^1\times {\mathrm{39821}}^1$

素因数の和:39840

約数の個数: 32

約数和(自身を含む): 60927660

約数和(自身を除く): 35442220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39821, 79642, 159284, 199105, 318568, 398210, 637136, 796420, 1274272, 1592840, 2548544, 3185680, 5097088, 6371360, 12742720, 25485440]

約数ペア:

[(1, 25485440), (2, 12742720), (4, 6371360), (5, 5097088), (8, 3185680), (10, 2548544), (16, 1592840), (20, 1274272), (32, 796420), (40, 637136), (64, 398210), (80, 318568), (128, 199105), (160, 159284), (320, 79642), (640, 39821)]