25068505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 16403495

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 149, 161, 209, 253, 385, 437, 665, 745, 805, 1043, 1045, 1265, 1463, 1639, 1771, 2185, 2831, 3059, 3427, 4807, 5215, 7315, 8195, 8855, 11473, 14155, 15295, 17135, 19817, 23989, 24035, 31141, 33649, 37697, 57365, 65113, 99085, 119945, 155705, 168245, 188485, 217987, 263879, 325565, 455791, 716243, 1089935, 1319395, 2278955, 3581215, 5013701, 25068505]

約数ペア:

[(1, 25068505), (5, 5013701), (7, 3581215), (11, 2278955), (19, 1319395), (23, 1089935), (35, 716243), (55, 455791), (77, 325565), (95, 263879), (115, 217987), (133, 188485), (149, 168245), (161, 155705), (209, 119945), (253, 99085), (385, 65113), (437, 57365), (665, 37697), (745, 33649), (805, 31141), (1043, 24035), (1045, 23989), (1265, 19817), (1463, 17135), (1639, 15295), (1771, 14155), (2185, 11473), (2831, 8855), (3059, 8195), (3427, 7315), (4807, 5215)]