7983820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30707}}^1$

素因数の和:30729

約数の個数: 24

約数和(自身を含む): 18056304

約数和(自身を除く): 10072484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30707, 61414, 122828, 153535, 307070, 399191, 614140, 798382, 1596764, 1995955, 3991910, 7983820]

約数ペア:

[(1, 7983820), (2, 3991910), (4, 1995955), (5, 1596764), (10, 798382), (13, 614140), (20, 399191), (26, 307070), (52, 153535), (65, 122828), (130, 61414), (260, 30707)]