86519920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56921}}^1$

素因数の和:56953

約数の個数: 40

約数和(自身を含む): 211749840

約数和(自身を除く): 125229920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 56921, 113842, 227684, 284605, 455368, 569210, 910736, 1081499, 1138420, 2162998, 2276840, 4325996, 4553680, 5407495, 8651992, 10814990, 17303984, 21629980, 43259960, 86519920]

約数ペア:

[(1, 86519920), (2, 43259960), (4, 21629980), (5, 17303984), (8, 10814990), (10, 8651992), (16, 5407495), (19, 4553680), (20, 4325996), (38, 2276840), (40, 2162998), (76, 1138420), (80, 1081499), (95, 910736), (152, 569210), (190, 455368), (304, 284605), (380, 227684), (760, 113842), (1520, 56921)]