12419920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8171}}^1$

素因数の和:8203

約数の個数: 40

約数和(自身を含む): 30399840

約数和(自身を除く): 17979920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8171, 16342, 32684, 40855, 65368, 81710, 130736, 155249, 163420, 310498, 326840, 620996, 653680, 776245, 1241992, 1552490, 2483984, 3104980, 6209960, 12419920]

約数ペア:

[(1, 12419920), (2, 6209960), (4, 3104980), (5, 2483984), (8, 1552490), (10, 1241992), (16, 776245), (19, 653680), (20, 620996), (38, 326840), (40, 310498), (76, 163420), (80, 155249), (95, 130736), (152, 81710), (190, 65368), (304, 40855), (380, 32684), (760, 16342), (1520, 8171)]