25269335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 40857600

約数和(自身を除く): 15588265

約数列:

[1, 5, 7, 13, 19, 35, 37, 65, 79, 91, 95, 133, 185, 247, 259, 395, 455, 481, 553, 665, 703, 1027, 1235, 1295, 1501, 1729, 2405, 2765, 2923, 3367, 3515, 4921, 5135, 7189, 7505, 8645, 9139, 10507, 14615, 16835, 19513, 20461, 24605, 35945, 37999, 45695, 52535, 55537, 63973, 97565, 102305, 136591, 189995, 265993, 277685, 319865, 388759, 682955, 721981, 1329965, 1943795, 3609905, 5053867, 25269335]

約数ペア:

[(1, 25269335), (5, 5053867), (7, 3609905), (13, 1943795), (19, 1329965), (35, 721981), (37, 682955), (65, 388759), (79, 319865), (91, 277685), (95, 265993), (133, 189995), (185, 136591), (247, 102305), (259, 97565), (395, 63973), (455, 55537), (481, 52535), (553, 45695), (665, 37999), (703, 35945), (1027, 24605), (1235, 20461), (1295, 19513), (1501, 16835), (1729, 14615), (2405, 10507), (2765, 9139), (2923, 8645), (3367, 7505), (3515, 7189), (4921, 5135)]