31270720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7517}}^1$

素因数の和:7547

約数の個数: 56

約数和(自身を含む): 80202024

約数和(自身を除く): 48931304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7517, 15034, 30068, 37585, 60136, 75170, 97721, 120272, 150340, 195442, 240544, 300680, 390884, 481088, 488605, 601360, 781768, 977210, 1202720, 1563536, 1954420, 2405440, 3127072, 3908840, 6254144, 7817680, 15635360, 31270720]

約数ペア:

[(1, 31270720), (2, 15635360), (4, 7817680), (5, 6254144), (8, 3908840), (10, 3127072), (13, 2405440), (16, 1954420), (20, 1563536), (26, 1202720), (32, 977210), (40, 781768), (52, 601360), (64, 488605), (65, 481088), (80, 390884), (104, 300680), (130, 240544), (160, 195442), (208, 150340), (260, 120272), (320, 97721), (416, 75170), (520, 60136), (832, 37585), (1040, 30068), (2080, 15034), (4160, 7517)]