69699920

素因数分解:

$2^4\times 5^1\times {\mathrm{871249}}^1$

素因数の和:871262

約数の個数: 20

約数和(自身を含む): 162052500

約数和(自身を除く): 92352580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 871249, 1742498, 3484996, 4356245, 6969992, 8712490, 13939984, 17424980, 34849960, 69699920]

約数ペア:

[(1, 69699920), (2, 34849960), (4, 17424980), (5, 13939984), (8, 8712490), (10, 6969992), (16, 4356245), (20, 3484996), (40, 1742498), (80, 871249)]