31787120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5443}}^1$

素因数の和:5529

約数の個数: 40

約数和(自身を含む): 74931216

約数和(自身を除く): 43144096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5443, 5840, 10886, 21772, 27215, 43544, 54430, 87088, 108860, 217720, 397339, 435440, 794678, 1589356, 1986695, 3178712, 3973390, 6357424, 7946780, 15893560, 31787120]

約数ペア:

[(1, 31787120), (2, 15893560), (4, 7946780), (5, 6357424), (8, 3973390), (10, 3178712), (16, 1986695), (20, 1589356), (40, 794678), (73, 435440), (80, 397339), (146, 217720), (292, 108860), (365, 87088), (584, 54430), (730, 43544), (1168, 27215), (1460, 21772), (2920, 10886), (5443, 5840)]