25200320

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1369

約数の個数: 56

約数和(自身を含む): 61039248

約数和(自身を除く): 35838928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1291, 1952, 2440, 2582, 3904, 4880, 5164, 6455, 9760, 10328, 12910, 19520, 20656, 25820, 41312, 51640, 78751, 82624, 103280, 157502, 206560, 315004, 393755, 413120, 630008, 787510, 1260016, 1575020, 2520032, 3150040, 5040064, 6300080, 12600160, 25200320]

約数ペア:

[(1, 25200320), (2, 12600160), (4, 6300080), (5, 5040064), (8, 3150040), (10, 2520032), (16, 1575020), (20, 1260016), (32, 787510), (40, 630008), (61, 413120), (64, 393755), (80, 315004), (122, 206560), (160, 157502), (244, 103280), (305, 82624), (320, 78751), (488, 51640), (610, 41312), (976, 25820), (1220, 20656), (1291, 19520), (1952, 12910), (2440, 10328), (2582, 9760), (3904, 6455), (4880, 5164)]