25688780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3407}}^1$

素因数の和:3458

約数の個数: 48

約数和(自身を含む): 60117120

約数和(自身を除く): 34428340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3407, 3770, 6814, 7540, 13628, 17035, 34070, 44291, 68140, 88582, 98803, 177164, 197606, 221455, 395212, 442910, 494015, 885820, 988030, 1284439, 1976060, 2568878, 5137756, 6422195, 12844390, 25688780]

約数ペア:

[(1, 25688780), (2, 12844390), (4, 6422195), (5, 5137756), (10, 2568878), (13, 1976060), (20, 1284439), (26, 988030), (29, 885820), (52, 494015), (58, 442910), (65, 395212), (116, 221455), (130, 197606), (145, 177164), (260, 98803), (290, 88582), (377, 68140), (580, 44291), (754, 34070), (1508, 17035), (1885, 13628), (3407, 7540), (3770, 6814)]