4064840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7817}}^1$

素因数の和:7841

約数の個数: 32

約数和(自身を含む): 9850680

約数和(自身を除く): 5785840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7817, 15634, 31268, 39085, 62536, 78170, 101621, 156340, 203242, 312680, 406484, 508105, 812968, 1016210, 2032420, 4064840]

約数ペア:

[(1, 4064840), (2, 2032420), (4, 1016210), (5, 812968), (8, 508105), (10, 406484), (13, 312680), (20, 203242), (26, 156340), (40, 101621), (52, 78170), (65, 62536), (104, 39085), (130, 31268), (260, 15634), (520, 7817)]