71982040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138427}}^1$

素因数の和:138451

約数の個数: 32

約数和(自身を含む): 174419280

約数和(自身を除く): 102437240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138427, 276854, 553708, 692135, 1107416, 1384270, 1799551, 2768540, 3599102, 5537080, 7198204, 8997755, 14396408, 17995510, 35991020, 71982040]

約数ペア:

[(1, 71982040), (2, 35991020), (4, 17995510), (5, 14396408), (8, 8997755), (10, 7198204), (13, 5537080), (20, 3599102), (26, 2768540), (40, 1799551), (52, 1384270), (65, 1107416), (104, 692135), (130, 553708), (260, 276854), (520, 138427)]