201963320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388391}}^1$

素因数の和:388415

約数の個数: 32

約数和(自身を含む): 489373920

約数和(自身を除く): 287410600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388391, 776782, 1553564, 1941955, 3107128, 3883910, 5049083, 7767820, 10098166, 15535640, 20196332, 25245415, 40392664, 50490830, 100981660, 201963320]

約数ペア:

[(1, 201963320), (2, 100981660), (4, 50490830), (5, 40392664), (8, 25245415), (10, 20196332), (13, 15535640), (20, 10098166), (26, 7767820), (40, 5049083), (52, 3883910), (65, 3107128), (104, 1941955), (130, 1553564), (260, 776782), (520, 388391)]