207786560

素因数分解:

$2^6\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1013}}^1$

素因数の和:1671

約数の個数: 56

約数和(自身を含む): 496052856

約数和(自身を除く): 288266296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 641, 1013, 1282, 2026, 2564, 3205, 4052, 5065, 5128, 6410, 8104, 10130, 10256, 12820, 16208, 20260, 20512, 25640, 32416, 40520, 41024, 51280, 64832, 81040, 102560, 162080, 205120, 324160, 649333, 1298666, 2597332, 3246665, 5194664, 6493330, 10389328, 12986660, 20778656, 25973320, 41557312, 51946640, 103893280, 207786560]

約数ペア:

[(1, 207786560), (2, 103893280), (4, 51946640), (5, 41557312), (8, 25973320), (10, 20778656), (16, 12986660), (20, 10389328), (32, 6493330), (40, 5194664), (64, 3246665), (80, 2597332), (160, 1298666), (320, 649333), (641, 324160), (1013, 205120), (1282, 162080), (2026, 102560), (2564, 81040), (3205, 64832), (4052, 51280), (5065, 41024), (5128, 40520), (6410, 32416), (8104, 25640), (10130, 20512), (10256, 20260), (12820, 16208)]