12963760

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 30395376

約数和(自身を除く): 17431616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1237, 1310, 2096, 2474, 2620, 4948, 5240, 6185, 9896, 10480, 12370, 19792, 24740, 49480, 98960, 162047, 324094, 648188, 810235, 1296376, 1620470, 2592752, 3240940, 6481880, 12963760]

約数ペア:

[(1, 12963760), (2, 6481880), (4, 3240940), (5, 2592752), (8, 1620470), (10, 1296376), (16, 810235), (20, 648188), (40, 324094), (80, 162047), (131, 98960), (262, 49480), (524, 24740), (655, 19792), (1048, 12370), (1237, 10480), (1310, 9896), (2096, 6185), (2474, 5240), (2620, 4948)]