55819520

素因数分解:

$2^8\times 5^1\times {\mathrm{43609}}^1$

素因数の和:43630

約数の個数: 36

約数和(自身を含む): 133708260

約数和(自身を除く): 77888740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 43609, 87218, 174436, 218045, 348872, 436090, 697744, 872180, 1395488, 1744360, 2790976, 3488720, 5581952, 6977440, 11163904, 13954880, 27909760, 55819520]

約数ペア:

[(1, 55819520), (2, 27909760), (4, 13954880), (5, 11163904), (8, 6977440), (10, 5581952), (16, 3488720), (20, 2790976), (32, 1744360), (40, 1395488), (64, 872180), (80, 697744), (128, 436090), (160, 348872), (256, 218045), (320, 174436), (640, 87218), (1280, 43609)]