13455520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6469}}^1$

素因数の和:6497

約数の個数: 48

約数和(自身を含む): 34239240

約数和(自身を除く): 20783720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6469, 12938, 25876, 32345, 51752, 64690, 84097, 103504, 129380, 168194, 207008, 258760, 336388, 420485, 517520, 672776, 840970, 1035040, 1345552, 1681940, 2691104, 3363880, 6727760, 13455520]

約数ペア:

[(1, 13455520), (2, 6727760), (4, 3363880), (5, 2691104), (8, 1681940), (10, 1345552), (13, 1035040), (16, 840970), (20, 672776), (26, 517520), (32, 420485), (40, 336388), (52, 258760), (65, 207008), (80, 168194), (104, 129380), (130, 103504), (160, 84097), (208, 64690), (260, 51752), (416, 32345), (520, 25876), (1040, 12938), (2080, 6469)]