40427776

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 36

約数和(自身を含む): 81760000

約数和(自身を除く): 41332224

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1264, 1999, 2528, 3998, 5056, 7996, 10112, 15992, 20224, 31984, 63968, 127936, 157921, 255872, 315842, 511744, 631684, 1263368, 2526736, 5053472, 10106944, 20213888, 40427776]

約数ペア:

[(1, 40427776), (2, 20213888), (4, 10106944), (8, 5053472), (16, 2526736), (32, 1263368), (64, 631684), (79, 511744), (128, 315842), (158, 255872), (256, 157921), (316, 127936), (632, 63968), (1264, 31984), (1999, 20224), (2528, 15992), (3998, 10112), (5056, 7996)]