25480910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28001}}^1$

素因数の和:28028

約数の個数: 32

約数和(自身を含む): 56452032

約数和(自身を除く): 30971122

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 28001, 56002, 140005, 196007, 280010, 364013, 392014, 728026, 980035, 1820065, 1960070, 2548091, 3640130, 5096182, 12740455, 25480910]

約数ペア:

[(1, 25480910), (2, 12740455), (5, 5096182), (7, 3640130), (10, 2548091), (13, 1960070), (14, 1820065), (26, 980035), (35, 728026), (65, 392014), (70, 364013), (91, 280010), (130, 196007), (182, 140005), (455, 56002), (910, 28001)]