172365880

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{6599}}^1$

素因数の和:7263

約数の個数: 32

約数和(自身を含む): 388476000

約数和(自身を除く): 216110120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 6599, 13060, 13198, 26120, 26396, 32995, 52792, 65990, 131980, 263960, 4309147, 8618294, 17236588, 21545735, 34473176, 43091470, 86182940, 172365880]

約数ペア:

[(1, 172365880), (2, 86182940), (4, 43091470), (5, 34473176), (8, 21545735), (10, 17236588), (20, 8618294), (40, 4309147), (653, 263960), (1306, 131980), (2612, 65990), (3265, 52792), (5224, 32995), (6530, 26396), (6599, 26120), (13060, 13198)]