68984260

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2221}}^1$

素因数の和:3783

約数の個数: 24

約数和(自身を含む): 145025496

約数和(自身を除く): 76041236

約数列:

[1, 2, 4, 5, 10, 20, 1553, 2221, 3106, 4442, 6212, 7765, 8884, 11105, 15530, 22210, 31060, 44420, 3449213, 6898426, 13796852, 17246065, 34492130, 68984260]

約数ペア:

[(1, 68984260), (2, 34492130), (4, 17246065), (5, 13796852), (10, 6898426), (20, 3449213), (1553, 44420), (2221, 31060), (3106, 22210), (4442, 15530), (6212, 11105), (7765, 8884)]