202223320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388891}}^1$

素因数の和:388915

約数の個数: 32

約数和(自身を含む): 490003920

約数和(自身を除く): 287780600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388891, 777782, 1555564, 1944455, 3111128, 3888910, 5055583, 7777820, 10111166, 15555640, 20222332, 25277915, 40444664, 50555830, 101111660, 202223320]

約数ペア:

[(1, 202223320), (2, 101111660), (4, 50555830), (5, 40444664), (8, 25277915), (10, 20222332), (13, 15555640), (20, 10111166), (26, 7777820), (40, 5055583), (52, 3888910), (65, 3111128), (104, 1944455), (130, 1555564), (260, 777782), (520, 388891)]