210580520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{169823}}^1$

素因数の和:169865

約数の個数: 32

約数和(自身を含む): 489093120

約数和(自身を除く): 278512600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 169823, 339646, 679292, 849115, 1358584, 1698230, 3396460, 5264513, 6792920, 10529026, 21058052, 26322565, 42116104, 52645130, 105290260, 210580520]

約数ペア:

[(1, 210580520), (2, 105290260), (4, 52645130), (5, 42116104), (8, 26322565), (10, 21058052), (20, 10529026), (31, 6792920), (40, 5264513), (62, 3396460), (124, 1698230), (155, 1358584), (248, 849115), (310, 679292), (620, 339646), (1240, 169823)]