4161820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16007}}^1$

素因数の和:16029

約数の個数: 24

約数和(自身を含む): 9412704

約数和(自身を除く): 5250884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16007, 32014, 64028, 80035, 160070, 208091, 320140, 416182, 832364, 1040455, 2080910, 4161820]

約数ペア:

[(1, 4161820), (2, 2080910), (4, 1040455), (5, 832364), (10, 416182), (13, 320140), (20, 208091), (26, 160070), (52, 80035), (65, 64028), (130, 32014), (260, 16007)]