26643580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21839}}^1$

素因数の和:21909

約数の個数: 24

約数和(自身を含む): 56871360

約数和(自身を除く): 30227780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21839, 43678, 87356, 109195, 218390, 436780, 1332179, 2664358, 5328716, 6660895, 13321790, 26643580]

約数ペア:

[(1, 26643580), (2, 13321790), (4, 6660895), (5, 5328716), (10, 2664358), (20, 1332179), (61, 436780), (122, 218390), (244, 109195), (305, 87356), (610, 43678), (1220, 21839)]