16200125

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 21621600

約数和(自身を除く): 5421475

約数列:

[1, 5, 25, 29, 41, 109, 125, 145, 205, 545, 725, 1025, 1189, 2725, 3161, 3625, 4469, 5125, 5945, 13625, 15805, 22345, 29725, 79025, 111725, 129601, 148625, 395125, 558625, 648005, 3240025, 16200125]

約数ペア:

[(1, 16200125), (5, 3240025), (25, 648005), (29, 558625), (41, 395125), (109, 148625), (125, 129601), (145, 111725), (205, 79025), (545, 29725), (725, 22345), (1025, 15805), (1189, 13625), (2725, 5945), (3161, 5125), (3625, 4469)]