40622720

素因数分解:

$2^7\times 5^1\times {\mathrm{63473}}^1$

素因数の和:63492

約数の個数: 32

約数和(自身を含む): 97115220

約数和(自身を除く): 56492500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63473, 126946, 253892, 317365, 507784, 634730, 1015568, 1269460, 2031136, 2538920, 4062272, 5077840, 8124544, 10155680, 20311360, 40622720]

約数ペア:

[(1, 40622720), (2, 20311360), (4, 10155680), (5, 8124544), (8, 5077840), (10, 4062272), (16, 2538920), (20, 2031136), (32, 1269460), (40, 1015568), (64, 634730), (80, 507784), (128, 317365), (160, 253892), (320, 126946), (640, 63473)]