2642120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5081}}^1$

素因数の和:5105

約数の個数: 32

約数和(自身を含む): 6403320

約数和(自身を除く): 3761200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5081, 10162, 20324, 25405, 40648, 50810, 66053, 101620, 132106, 203240, 264212, 330265, 528424, 660530, 1321060, 2642120]

約数ペア:

[(1, 2642120), (2, 1321060), (4, 660530), (5, 528424), (8, 330265), (10, 264212), (13, 203240), (20, 132106), (26, 101620), (40, 66053), (52, 50810), (65, 40648), (104, 25405), (130, 20324), (260, 10162), (520, 5081)]