63726440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4013}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 143781480

約数和(自身を除く): 80055040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4013, 7940, 8026, 15880, 16052, 20065, 32104, 40130, 80260, 160520, 1593161, 3186322, 6372644, 7965805, 12745288, 15931610, 31863220, 63726440]

約数ペア:

[(1, 63726440), (2, 31863220), (4, 15931610), (5, 12745288), (8, 7965805), (10, 6372644), (20, 3186322), (40, 1593161), (397, 160520), (794, 80260), (1588, 40130), (1985, 32104), (3176, 20065), (3970, 16052), (4013, 15880), (7940, 8026)]