55764020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 127102080

約数和(自身を除く): 71338060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1543, 1807, 2780, 3086, 3614, 6172, 7228, 7715, 9035, 15430, 18070, 20059, 30860, 36140, 40118, 80236, 100295, 200590, 214477, 401180, 428954, 857908, 1072385, 2144770, 2788201, 4289540, 5576402, 11152804, 13941005, 27882010, 55764020]

約数ペア:

[(1, 55764020), (2, 27882010), (4, 13941005), (5, 11152804), (10, 5576402), (13, 4289540), (20, 2788201), (26, 2144770), (52, 1072385), (65, 857908), (130, 428954), (139, 401180), (260, 214477), (278, 200590), (556, 100295), (695, 80236), (1390, 40118), (1543, 36140), (1807, 30860), (2780, 20059), (3086, 18070), (3614, 15430), (6172, 9035), (7228, 7715)]