61405040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12583}}^1$

素因数の和:12657

約数の個数: 40

約数和(自身を含む): 145118688

約数和(自身を除く): 83713648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 12583, 25166, 50332, 62915, 100664, 125830, 201328, 251660, 503320, 767563, 1006640, 1535126, 3070252, 3837815, 6140504, 7675630, 12281008, 15351260, 30702520, 61405040]

約数ペア:

[(1, 61405040), (2, 30702520), (4, 15351260), (5, 12281008), (8, 7675630), (10, 6140504), (16, 3837815), (20, 3070252), (40, 1535126), (61, 1006640), (80, 767563), (122, 503320), (244, 251660), (305, 201328), (488, 125830), (610, 100664), (976, 62915), (1220, 50332), (2440, 25166), (4880, 12583)]