2051249590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{17789}}^1$

素因数の和:18696

約数の個数: 32

約数和(自身を含む): 3980975040

約数和(自身を除く): 1929725450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 887, 1774, 4435, 8870, 11531, 17789, 23062, 35578, 57655, 88945, 115310, 177890, 231257, 462514, 1156285, 2312570, 15778843, 31557686, 78894215, 157788430, 205124959, 410249918, 1025624795, 2051249590]

約数ペア:

[(1, 2051249590), (2, 1025624795), (5, 410249918), (10, 205124959), (13, 157788430), (26, 78894215), (65, 31557686), (130, 15778843), (887, 2312570), (1774, 1156285), (4435, 462514), (8870, 231257), (11531, 177890), (17789, 115310), (23062, 88945), (35578, 57655)]