29217920

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 70943040

約数和(自身を除く): 41725120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 643, 710, 1136, 1286, 1420, 2272, 2572, 2840, 3215, 4544, 5144, 5680, 6430, 9088, 10288, 11360, 12860, 20576, 22720, 25720, 41152, 45440, 45653, 51440, 82304, 91306, 102880, 182612, 205760, 228265, 365224, 411520, 456530, 730448, 913060, 1460896, 1826120, 2921792, 3652240, 5843584, 7304480, 14608960, 29217920]

約数ペア:

[(1, 29217920), (2, 14608960), (4, 7304480), (5, 5843584), (8, 3652240), (10, 2921792), (16, 1826120), (20, 1460896), (32, 913060), (40, 730448), (64, 456530), (71, 411520), (80, 365224), (128, 228265), (142, 205760), (160, 182612), (284, 102880), (320, 91306), (355, 82304), (568, 51440), (640, 45653), (643, 45440), (710, 41152), (1136, 25720), (1286, 22720), (1420, 20576), (2272, 12860), (2572, 11360), (2840, 10288), (3215, 9088), (4544, 6430), (5144, 5680)]