2645917660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{11491}}^1$

素因数の和:11926

約数の個数: 48

約数和(自身を含む): 5763008160

約数和(自身を除く): 3117090500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 397, 580, 794, 1588, 1985, 3970, 7940, 11491, 11513, 22982, 23026, 45964, 46052, 57455, 57565, 114910, 115130, 229820, 230260, 333239, 666478, 1332956, 1666195, 3332390, 4561927, 6664780, 9123854, 18247708, 22809635, 45619270, 91238540, 132295883, 264591766, 529183532, 661479415, 1322958830, 2645917660]

約数ペア:

[(1, 2645917660), (2, 1322958830), (4, 661479415), (5, 529183532), (10, 264591766), (20, 132295883), (29, 91238540), (58, 45619270), (116, 22809635), (145, 18247708), (290, 9123854), (397, 6664780), (580, 4561927), (794, 3332390), (1588, 1666195), (1985, 1332956), (3970, 666478), (7940, 333239), (11491, 230260), (11513, 229820), (22982, 115130), (23026, 114910), (45964, 57565), (46052, 57455)]