25362520

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{971}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 57211920

約数和(自身を除く): 31849400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 971, 1306, 1942, 2612, 3265, 3884, 4855, 5224, 6530, 7768, 9710, 13060, 19420, 26120, 38840, 634063, 1268126, 2536252, 3170315, 5072504, 6340630, 12681260, 25362520]

約数ペア:

[(1, 25362520), (2, 12681260), (4, 6340630), (5, 5072504), (8, 3170315), (10, 2536252), (20, 1268126), (40, 634063), (653, 38840), (971, 26120), (1306, 19420), (1942, 13060), (2612, 9710), (3265, 7768), (3884, 6530), (4855, 5224)]