139249520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56149}}^1$

素因数の和:56193

約数の個数: 40

約数和(自身を含む): 334204800

約数和(自身を除く): 194955280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56149, 112298, 224596, 280745, 449192, 561490, 898384, 1122980, 1740619, 2245960, 3481238, 4491920, 6962476, 8703095, 13924952, 17406190, 27849904, 34812380, 69624760, 139249520]

約数ペア:

[(1, 139249520), (2, 69624760), (4, 34812380), (5, 27849904), (8, 17406190), (10, 13924952), (16, 8703095), (20, 6962476), (31, 4491920), (40, 3481238), (62, 2245960), (80, 1740619), (124, 1122980), (155, 898384), (248, 561490), (310, 449192), (496, 280745), (620, 224596), (1240, 112298), (2480, 56149)]