125217872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 271232640

約数和(自身を除く): 146014768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 71, 104, 122, 139, 142, 208, 244, 278, 284, 488, 556, 568, 793, 923, 976, 1112, 1136, 1586, 1807, 1846, 2224, 3172, 3614, 3692, 4331, 6344, 7228, 7384, 8479, 8662, 9869, 12688, 14456, 14768, 16958, 17324, 19738, 28912, 33916, 34648, 39476, 56303, 67832, 69296, 78952, 110227, 112606, 128297, 135664, 157904, 220454, 225212, 256594, 440908, 450424, 513188, 602009, 881816, 900848, 1026376, 1204018, 1763632, 2052752, 2408036, 4816072, 7826117, 9632144, 15652234, 31304468, 62608936, 125217872]

約数ペア:

[(1, 125217872), (2, 62608936), (4, 31304468), (8, 15652234), (13, 9632144), (16, 7826117), (26, 4816072), (52, 2408036), (61, 2052752), (71, 1763632), (104, 1204018), (122, 1026376), (139, 900848), (142, 881816), (208, 602009), (244, 513188), (278, 450424), (284, 440908), (488, 256594), (556, 225212), (568, 220454), (793, 157904), (923, 135664), (976, 128297), (1112, 112606), (1136, 110227), (1586, 78952), (1807, 69296), (1846, 67832), (2224, 56303), (3172, 39476), (3614, 34648), (3692, 33916), (4331, 28912), (6344, 19738), (7228, 17324), (7384, 16958), (8479, 14768), (8662, 14456), (9869, 12688)]