206535640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{166561}}^1$

素因数の和:166603

約数の個数: 32

約数和(自身を含む): 479698560

約数和(自身を除く): 273162920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 166561, 333122, 666244, 832805, 1332488, 1665610, 3331220, 5163391, 6662440, 10326782, 20653564, 25816955, 41307128, 51633910, 103267820, 206535640]

約数ペア:

[(1, 206535640), (2, 103267820), (4, 51633910), (5, 41307128), (8, 25816955), (10, 20653564), (20, 10326782), (31, 6662440), (40, 5163391), (62, 3331220), (124, 1665610), (155, 1332488), (248, 832805), (310, 666244), (620, 333122), (1240, 166561)]