66988400

素因数分解:

$2^4\times 5^2\times {\mathrm{167471}}^1$

素因数の和:167489

約数の個数: 30

約数和(自身を含む): 160940592

約数和(自身を除く): 93952192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 167471, 334942, 669884, 837355, 1339768, 1674710, 2679536, 3349420, 4186775, 6698840, 8373550, 13397680, 16747100, 33494200, 66988400]

約数ペア:

[(1, 66988400), (2, 33494200), (4, 16747100), (5, 13397680), (8, 8373550), (10, 6698840), (16, 4186775), (20, 3349420), (25, 2679536), (40, 1674710), (50, 1339768), (80, 837355), (100, 669884), (200, 334942), (400, 167471)]