64265020

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{3767}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 135150624

約数和(自身を除く): 70885604

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 3767, 4265, 7534, 8530, 15068, 17060, 18835, 37670, 75340, 3213251, 6426502, 12853004, 16066255, 32132510, 64265020]

約数ペア:

[(1, 64265020), (2, 32132510), (4, 16066255), (5, 12853004), (10, 6426502), (20, 3213251), (853, 75340), (1706, 37670), (3412, 18835), (3767, 17060), (4265, 15068), (7534, 8530)]