78343840

素因数分解:

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

素因数の和:25805

約数の個数: 48

約数和(自身を含む): 194836320

約数和(自身を除く): 116492480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25771, 51542, 103084, 128855, 206168, 257710, 412336, 489649, 515420, 824672, 979298, 1030840, 1958596, 2061680, 2448245, 3917192, 4123360, 4896490, 7834384, 9792980, 15668768, 19585960, 39171920, 78343840]

約数ペア:

[(1, 78343840), (2, 39171920), (4, 19585960), (5, 15668768), (8, 9792980), (10, 7834384), (16, 4896490), (19, 4123360), (20, 3917192), (32, 2448245), (38, 2061680), (40, 1958596), (76, 1030840), (80, 979298), (95, 824672), (152, 515420), (160, 489649), (190, 412336), (304, 257710), (380, 206168), (608, 128855), (760, 103084), (1520, 51542), (3040, 25771)]