51480520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14143}}^1$

素因数の和:14174

約数の個数: 64

約数和(自身を含む): 142571520

約数和(自身を除く): 91091000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 14143, 28286, 56572, 70715, 99001, 113144, 141430, 183859, 198002, 282860, 367718, 396004, 495005, 565720, 735436, 792008, 919295, 990010, 1287013, 1470872, 1838590, 1980020, 2574026, 3677180, 3960040, 5148052, 6435065, 7354360, 10296104, 12870130, 25740260, 51480520]

約数ペア:

[(1, 51480520), (2, 25740260), (4, 12870130), (5, 10296104), (7, 7354360), (8, 6435065), (10, 5148052), (13, 3960040), (14, 3677180), (20, 2574026), (26, 1980020), (28, 1838590), (35, 1470872), (40, 1287013), (52, 990010), (56, 919295), (65, 792008), (70, 735436), (91, 565720), (104, 495005), (130, 396004), (140, 367718), (182, 282860), (260, 198002), (280, 183859), (364, 141430), (455, 113144), (520, 99001), (728, 70715), (910, 56572), (1820, 28286), (3640, 14143)]