53689520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21649}}^1$

素因数の和:21693

約数の個数: 40

約数和(自身を含む): 128860800

約数和(自身を除く): 75171280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21649, 43298, 86596, 108245, 173192, 216490, 346384, 432980, 671119, 865960, 1342238, 1731920, 2684476, 3355595, 5368952, 6711190, 10737904, 13422380, 26844760, 53689520]

約数ペア:

[(1, 53689520), (2, 26844760), (4, 13422380), (5, 10737904), (8, 6711190), (10, 5368952), (16, 3355595), (20, 2684476), (31, 1731920), (40, 1342238), (62, 865960), (80, 671119), (124, 432980), (155, 346384), (248, 216490), (310, 173192), (496, 108245), (620, 86596), (1240, 43298), (2480, 21649)]