25280128

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 54443520

約数和(自身を除く): 29163392

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 277, 368, 496, 554, 713, 736, 992, 1108, 1426, 1472, 1984, 2216, 2852, 2944, 3968, 4432, 5704, 6371, 8587, 8864, 11408, 12742, 17174, 17728, 22816, 25484, 34348, 35456, 45632, 50968, 68696, 91264, 101936, 137392, 197501, 203872, 274784, 395002, 407744, 549568, 790004, 815488, 1099136, 1580008, 3160016, 6320032, 12640064, 25280128]

約数ペア:

[(1, 25280128), (2, 12640064), (4, 6320032), (8, 3160016), (16, 1580008), (23, 1099136), (31, 815488), (32, 790004), (46, 549568), (62, 407744), (64, 395002), (92, 274784), (124, 203872), (128, 197501), (184, 137392), (248, 101936), (277, 91264), (368, 68696), (496, 50968), (554, 45632), (713, 35456), (736, 34348), (992, 25484), (1108, 22816), (1426, 17728), (1472, 17174), (1984, 12742), (2216, 11408), (2852, 8864), (2944, 8587), (3968, 6371), (4432, 5704)]