12589840

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 29437848

約数和(自身を除く): 16848008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 653, 964, 1205, 1306, 1928, 2410, 2612, 3265, 3856, 4820, 5224, 6530, 9640, 10448, 13060, 19280, 26120, 52240, 157373, 314746, 629492, 786865, 1258984, 1573730, 2517968, 3147460, 6294920, 12589840]

約数ペア:

[(1, 12589840), (2, 6294920), (4, 3147460), (5, 2517968), (8, 1573730), (10, 1258984), (16, 786865), (20, 629492), (40, 314746), (80, 157373), (241, 52240), (482, 26120), (653, 19280), (964, 13060), (1205, 10448), (1306, 9640), (1928, 6530), (2410, 5224), (2612, 4820), (3265, 3856)]