31832320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 82156536

約数和(自身を除く): 50324216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1913, 2080, 3328, 3826, 4160, 7652, 8320, 9565, 15304, 16640, 19130, 24869, 30608, 38260, 49738, 61216, 76520, 99476, 122432, 124345, 153040, 198952, 244864, 248690, 306080, 397904, 489728, 497380, 612160, 795808, 994760, 1224320, 1591616, 1989520, 2448640, 3183232, 3979040, 6366464, 7958080, 15916160, 31832320]

約数ペア:

[(1, 31832320), (2, 15916160), (4, 7958080), (5, 6366464), (8, 3979040), (10, 3183232), (13, 2448640), (16, 1989520), (20, 1591616), (26, 1224320), (32, 994760), (40, 795808), (52, 612160), (64, 497380), (65, 489728), (80, 397904), (104, 306080), (128, 248690), (130, 244864), (160, 198952), (208, 153040), (256, 124345), (260, 122432), (320, 99476), (416, 76520), (520, 61216), (640, 49738), (832, 38260), (1040, 30608), (1280, 24869), (1664, 19130), (1913, 16640), (2080, 15304), (3328, 9565), (3826, 8320), (4160, 7652)]