26266880

素因数分解:

$2^8\times 5^1\times {\mathrm{20521}}^1$

素因数の和:20542

約数の個数: 36

約数和(自身を含む): 62920452

約数和(自身を除く): 36653572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20521, 41042, 82084, 102605, 164168, 205210, 328336, 410420, 656672, 820840, 1313344, 1641680, 2626688, 3283360, 5253376, 6566720, 13133440, 26266880]

約数ペア:

[(1, 26266880), (2, 13133440), (4, 6566720), (5, 5253376), (8, 3283360), (10, 2626688), (16, 1641680), (20, 1313344), (32, 820840), (40, 656672), (64, 410420), (80, 328336), (128, 205210), (160, 164168), (256, 102605), (320, 82084), (640, 41042), (1280, 20521)]