39171920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25771}}^1$

素因数の和:25803

約数の個数: 40

約数和(自身を含む): 95871840

約数和(自身を除く): 56699920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 25771, 51542, 103084, 128855, 206168, 257710, 412336, 489649, 515420, 979298, 1030840, 1958596, 2061680, 2448245, 3917192, 4896490, 7834384, 9792980, 19585960, 39171920]

約数ペア:

[(1, 39171920), (2, 19585960), (4, 9792980), (5, 7834384), (8, 4896490), (10, 3917192), (16, 2448245), (19, 2061680), (20, 1958596), (38, 1030840), (40, 979298), (76, 515420), (80, 489649), (95, 412336), (152, 257710), (190, 206168), (304, 128855), (380, 103084), (760, 51542), (1520, 25771)]