31870640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17321}}^1$

素因数の和:17357

約数の個数: 40

約数和(自身を含む): 77325408

約数和(自身を除く): 45454768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 17321, 34642, 69284, 86605, 138568, 173210, 277136, 346420, 398383, 692840, 796766, 1385680, 1593532, 1991915, 3187064, 3983830, 6374128, 7967660, 15935320, 31870640]

約数ペア:

[(1, 31870640), (2, 15935320), (4, 7967660), (5, 6374128), (8, 3983830), (10, 3187064), (16, 1991915), (20, 1593532), (23, 1385680), (40, 796766), (46, 692840), (80, 398383), (92, 346420), (115, 277136), (184, 173210), (230, 138568), (368, 86605), (460, 69284), (920, 34642), (1840, 17321)]