68144840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100213}}^1$

素因数の和:100241

約数の個数: 32

約数和(自身を含む): 162346680

約数和(自身を除く): 94201840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100213, 200426, 400852, 501065, 801704, 1002130, 1703621, 2004260, 3407242, 4008520, 6814484, 8518105, 13628968, 17036210, 34072420, 68144840]

約数ペア:

[(1, 68144840), (2, 34072420), (4, 17036210), (5, 13628968), (8, 8518105), (10, 6814484), (17, 4008520), (20, 3407242), (34, 2004260), (40, 1703621), (68, 1002130), (85, 801704), (136, 501065), (170, 400852), (340, 200426), (680, 100213)]