31248880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30047}}^1$

素因数の和:30073

約数の個数: 40

約数和(自身を含む): 78244992

約数和(自身を除く): 46996112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30047, 60094, 120188, 150235, 240376, 300470, 390611, 480752, 600940, 781222, 1201880, 1562444, 1953055, 2403760, 3124888, 3906110, 6249776, 7812220, 15624440, 31248880]

約数ペア:

[(1, 31248880), (2, 15624440), (4, 7812220), (5, 6249776), (8, 3906110), (10, 3124888), (13, 2403760), (16, 1953055), (20, 1562444), (26, 1201880), (40, 781222), (52, 600940), (65, 480752), (80, 390611), (104, 300470), (130, 240376), (208, 150235), (260, 120188), (520, 60094), (1040, 30047)]