27909760

素因数分解:

$2^7\times 5^1\times {\mathrm{43609}}^1$

素因数の和:43628

約数の個数: 32

約数和(自身を含む): 66723300

約数和(自身を除く): 38813540

約数列:

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

約数ペア:

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