51679940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198769}}^1$

素因数の和:198791

約数の個数: 24

約数和(自身を含む): 116876760

約数和(自身を除く): 65196820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198769, 397538, 795076, 993845, 1987690, 2583997, 3975380, 5167994, 10335988, 12919985, 25839970, 51679940]

約数ペア:

[(1, 51679940), (2, 25839970), (4, 12919985), (5, 10335988), (10, 5167994), (13, 3975380), (20, 2583997), (26, 1987690), (52, 993845), (65, 795076), (130, 397538), (260, 198769)]