26583820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 57492288

約数和(自身を除く): 30908468

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 193, 194, 284, 355, 386, 388, 485, 710, 772, 965, 970, 1420, 1930, 1940, 3860, 6887, 13703, 13774, 18721, 27406, 27548, 34435, 37442, 54812, 68515, 68870, 74884, 93605, 137030, 137740, 187210, 274060, 374420, 1329191, 2658382, 5316764, 6645955, 13291910, 26583820]

約数ペア:

[(1, 26583820), (2, 13291910), (4, 6645955), (5, 5316764), (10, 2658382), (20, 1329191), (71, 374420), (97, 274060), (142, 187210), (193, 137740), (194, 137030), (284, 93605), (355, 74884), (386, 68870), (388, 68515), (485, 54812), (710, 37442), (772, 34435), (965, 27548), (970, 27406), (1420, 18721), (1930, 13774), (1940, 13703), (3860, 6887)]