69655720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42473}}^1$

素因数の和:42525

約数の個数: 32

約数和(自身を含む): 160551720

約数和(自身を除く): 90896000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 42473, 84946, 169892, 212365, 339784, 424730, 849460, 1698920, 1741393, 3482786, 6965572, 8706965, 13931144, 17413930, 34827860, 69655720]

約数ペア:

[(1, 69655720), (2, 34827860), (4, 17413930), (5, 13931144), (8, 8706965), (10, 6965572), (20, 3482786), (40, 1741393), (41, 1698920), (82, 849460), (164, 424730), (205, 339784), (328, 212365), (410, 169892), (820, 84946), (1640, 42473)]