2691931840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647099}}^1$

素因数の和:647129

約数の個数: 56

約数和(自身を含む): 6903262800

約数和(自身を除く): 4211330960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 647099, 1294198, 2588396, 3235495, 5176792, 6470990, 8412287, 10353584, 12941980, 16824574, 20707168, 25883960, 33649148, 41414336, 42061435, 51767920, 67298296, 84122870, 103535840, 134596592, 168245740, 207071680, 269193184, 336491480, 538386368, 672982960, 1345965920, 2691931840]

約数ペア:

[(1, 2691931840), (2, 1345965920), (4, 672982960), (5, 538386368), (8, 336491480), (10, 269193184), (13, 207071680), (16, 168245740), (20, 134596592), (26, 103535840), (32, 84122870), (40, 67298296), (52, 51767920), (64, 42061435), (65, 41414336), (80, 33649148), (104, 25883960), (130, 20707168), (160, 16824574), (208, 12941980), (260, 10353584), (320, 8412287), (416, 6470990), (520, 5176792), (832, 3235495), (1040, 2588396), (2080, 1294198), (4160, 647099)]