18445262720

素因数分解:

$2^7\times 5^1\times {\mathrm{28820723}}^1$

素因数の和:28820742

約数の個数: 32

約数和(自身を含む): 44095707720

約数和(自身を除く): 25650445000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28820723, 57641446, 115282892, 144103615, 230565784, 288207230, 461131568, 576414460, 922263136, 1152828920, 1844526272, 2305657840, 3689052544, 4611315680, 9222631360, 18445262720]

約数ペア:

[(1, 18445262720), (2, 9222631360), (4, 4611315680), (5, 3689052544), (8, 2305657840), (10, 1844526272), (16, 1152828920), (20, 922263136), (32, 576414460), (40, 461131568), (64, 288207230), (80, 230565784), (128, 144103615), (160, 115282892), (320, 57641446), (640, 28820723)]