68072420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15401}}^1$

素因数の和:15440

約数の個数: 48

約数和(自身を含む): 163014768

約数和(自身を除く): 94942348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 15401, 30802, 61604, 77005, 154010, 200213, 261817, 308020, 400426, 523634, 800852, 1001065, 1047268, 1309085, 2002130, 2618170, 3403621, 4004260, 5236340, 6807242, 13614484, 17018105, 34036210, 68072420]

約数ペア:

[(1, 68072420), (2, 34036210), (4, 17018105), (5, 13614484), (10, 6807242), (13, 5236340), (17, 4004260), (20, 3403621), (26, 2618170), (34, 2002130), (52, 1309085), (65, 1047268), (68, 1001065), (85, 800852), (130, 523634), (170, 400426), (221, 308020), (260, 261817), (340, 200213), (442, 154010), (884, 77005), (1105, 61604), (2210, 30802), (4420, 15401)]